| Tune | Book | Page | Publisher | Year | Org | Pno | Inst | Hymn Acc |
| A LA VENUE DE NOEL | Callahan, Lenten Prelude for Flute and Organ, A | | MorningStar | 1990 | Org | | Instr | |
| A LA VENUE DE NOEL | Callahan, Lenten Suite, A | 2 | MorningStar | 1991 | Org | | | |
| A LA VENUE DE NOEL | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 24 | MorningStar | 2002 | Org | | Instr | |
| ABBOTT'S LEIGH | Callahan, Two English Voluntaries for Organ | 6 | Concordia | 1993 | Org | | | |
| ADESTE FIDELES | Callahan, Christmas Music for Manuals, Set 2 | 9 | MorningStar | 1998 | Org | | | |
| ADESTE FIDELES | Callahan, Christmas Prelude for Flute and Organ, A | | MorningStar | 1989 | Org | | Instr | |
| ADESTE FIDELES | Callahan, Christmas Suite, A | 12 | MorningStar | 1990 | Org | | | |
| ADESTE FIDELES | Callahan, Christmas Triptych, A | 6 | Concordia | 1996 | Org | | | |
| ADESTE FIDELES | Callahan, Partita on Adeste Fideles | | Concordia | 1988 | Org | | | |
| ADESTE FIDELES | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 10 | MorningStar | 2002 | Org | | Instr | |
| ADESTE FIDELES | Laudate!, Volume 1 | 58 | Concordia | 1994 | Org | | | |
| ADORO TE DEVOTE | Callahan, Chant, Volume 1 | 8 | Concordia | 1998 | Org | | | |
| ADORO TE DEVOTE | Callahan, Chant, Volume 1 | 11 | Concordia | 1998 | Org | | | |
| ADORO TE DEVOTE | Callahan, Chant-based Hymns: Music for Manuals | 7 | MorningStar | 1996 | Org | | | |
| ADORO TE DEVOTE | Callahan, Communion Music for Manuals | 5 | MorningStar | 1994 | Org | | | |
| ADORO TE DEVOTE | Callahan, Five Improvisations on Communion Hymns | 7 | Concordia | 1991 | Org | | | |
| ADORO TE DEVOTE | Callahan, Five Improvisations on Communion Hymns | 10 | Concordia | 1991 | Org | | | |
| ADORO TE DEVOTE | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 53 | MorningStar | 2008 | Org | Pno | | |
| ADORO TE DEVOTE | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 54 | MorningStar | 2008 | Org | Pno | | |
| ADORO TE DEVOTE | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 55 | MorningStar | 2008 | Org | Pno | | |
| ADORO TE DEVOTE | Callahan, Triptych on Adoro te Devote | | Morningstar | 2005 | Org | | | |
| AGNUS DEI | Callahan, Chant-based Hymns: Music for Manuals | 9 | MorningStar | 1996 | Org | | | |
| ALL SAINTS | Callahan, Reformation Variations, Easy-to-Play | 27 | Concordia | 2008 | Org | | | |
| ALL THE WAY | Callahan, Savior, Like a Shepherd Lead Us (The Kilgore Suite): Four Pieces on American Hymn Tunes for Organ | 18 | MorningStar | 2007 | Org | | | |
| ALMA REDEMPTORIS MATER | Callahan, Chant, Volume 1 | 28 | Concordia | 1998 | Org | | | |
| ANIMA CHRISTI | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 31 | MorningStar | 2008 | Org | Pno | | |
| ANTIOCH | Callahan, Christmas Suite, A | 4 | MorningStar | 1990 | Org | | | |
| AR HYD Y NOS | Callahan, Art of Hymn Playing, The | 9 | MorningStar | 2006 | Org | | | Hymn Acc |
| AR HYD Y NOS | Callahan, Celtic Collection: 12 Meditations on Celtic Melodies | 4 | MorningStar | 2015 | | Pno | | |
| AR HYD Y NOS | Callahan, Great Evening Hymns for Manuals | 7 | MorningStar | 1997 | Org | | | |
| ASCENSIUS | Callahan, Spirituals for Keyboard | 16 | MorningStar | 1993 | Org | | | |
| ASPERGES ME | Callahan, Chant-based Hymns: Music for Manuals | 6 | MorningStar | 1996 | Org | | | |
| ASSURANCE | Callahan, Gospel Prelude Collection | 4 | MorningStar | 2011 | Org | | | |
| AURELIA | Callahan, Art of Hymn Playing, The | 10 | MorningStar | 2006 | Org | | | Hymn Acc |
| AURELIA | Callahan, Great Victorian Hymns | 3 | MorningStar | 1992 | Org | | | |
| AURELIA | Callahan, Six Meditations on English Hymn Tunes | 4 | Concordia | 1993 | Org | | | |
| AURELIA | Callahan, We Are Gathered: 12 Hymn Meditations for Piano | 4 | MorningStar | 2015 | | Pno | | |
| AURELIA | Laudate!, Volume 2 | 62 | Concordia | 1995 | Org | | | |
| AUS DER TIEFE | Callahan, Art of Hymn Playing, The | 11 | MorningStar | 2006 | Org | | | Hymn Acc |
| AUS DER TIEFE | Callahan, Lenten Music for Manuals | 3 | MorningStar | 1990 | Org | | | |
| AUS DER TIEFE | Callahan, Lenten Suite, A | 2 | MorningStar | 1991 | Org | | | |
| AUSTRIA | Callahan, Art of Hymn Playing, The | 12 | MorningStar | 2006 | Org | | | Hymn Acc |
| AVE MARIA | Callahan, Chant-based Hymns: Music for Manuals | 4 | MorningStar | 1996 | Org | | | |
| AVE MARIA | Callahan, Marian Hymns: Music for Manuals | 10 | MorningStar | 1996 | Org | | | |
| AVE MARIA, MODE I | Callahan, Marian Hymns: Music for Manuals | 14 | MorningStar | 1996 | Org | | | |
| AVE REGINA CAELORUM | Callahan, Marian Hymns: Music for Manuals | 3 | MorningStar | 1996 | Org | | | |
| AVE VERUM | Callahan, Chant-based Hymns: Music for Manuals | 5 | MorningStar | 1996 | Org | | | |
| AZMON | Callahan, Art of Hymn Playing, The | 13 | MorningStar | 2006 | Org | | | Hymn Acc |
| AZMON | Callahan, Great American Hymns: Music for Manuals | 4 | MorningStar | 1993 | Org | | | |
| BALM IN GILEAD | Callahan, American Suite: Six Pieces for Organ Based Upon American Hymntunes | 11 | MorningStar | 2004 | Org | | | |
| BALM IN GILEAD | Callahan, Spirit of America | 8 | Concordia | 2003 | Org | | | |
| BALM IN GILEAD | Callahan, Spirituals for Keyboard | 2 | MorningStar | 1993 | Org | | | |
| BATTLE HYMN | Callahan, Patriotic Prelude for Trumpet and Organ, A | | Concordia | 1990 | Org | | Instr | |
| BATTLE HYMN | Callahan, Spirit of America | 16 | Concordia | 2003 | Org | | | |
| BEACH SPRING | Callahan, American Folk Hymn Suite, Set 2 | 26 | Concordia | 2003 | | Pno | | |
| BEACH SPRING | Callahan, American Suite: Six Pieces for Organ Based Upon American Hymntunes | 2 | MorningStar | 2004 | Org | | | |
| BEACH SPRING | Callahan, Art of Hymn Playing, The | 14 | MorningStar | 2006 | Org | | | Hymn Acc |
| BEACH SPRING | Callahan, Art of Hymn Playing, The | 15 | MorningStar | 2006 | Org | | | Hymn Acc |
| BEATITUDO | Callahan, We Are Gathered: 12 Hymn Meditations for Piano | 6 | MorningStar | 2015 | | Pno | | |
| BEECHER | Callahan, Art of Hymn Playing, The | 16 | MorningStar | 2006 | Org | | | Hymn Acc |
| BEECHER | Callahan, We Are Gathered: 12 Hymn Meditations for Piano | 8 | MorningStar | 2015 | | Pno | | |
| BEHOLD THAT STAR | Callahan, Spirituals for Keyboard | 14 | MorningStar | 1993 | Org | | | |
| BERTHIER | Laudate!, Volume 5 | 26 | Concordia | 1998 | Org | | | |
| BICENTENNIAL | Callahan, Gift of Finest Wheat | 4 | Concordia | 1995 | Org | | | |
| BICENTENNIAL | Laudate!, Volume 1 | 8 | Concordia | 1994 | Org | | | |
| BRADBURY | Callahan, Gospel Prelude Collection | 33 | MorningStar | 2011 | Org | | | |
| BRADBURY | Callahan, Savior, Like a Shepherd Lead Us (The Kilgore Suite): Four Pieces on American Hymn Tunes for Organ | 14 | MorningStar | 2007 | Org | | | |
| BRADBURY | Callahan, We Are Gathered: 12 Hymn Meditations for Piano | 11 | MorningStar | 2015 | | Pno | | |
| BREAD OF LIFE | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 22 | MorningStar | 2008 | Org | Pno | | |
| BREAD OF LIFE | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 23 | MorningStar | 2008 | Org | Pno | | |
| BREAK BREAD TOGETHER | Callahan, Art of Hymn Playing, The | 69 | MorningStar | 2006 | Org | | | Hymn Acc |
| BREAK BREAD TOGETHER | Callahan, Communion Music for Manuals | 11 | MorningStar | 1994 | Org | | | |
| BREAK BREAD TOGETHER | Callahan, Piano Improvisations on Familiar Hymns | 8 | MorningStar | 1996 | | Pno | | |
| BREAK BREAD TOGETHER | Callahan, Spiritual Suite | 11 | MorningStar | 2011 | Org | | | |
| BREAK BREAD TOGETHER | Callahan, Spirituals for Keyboard | 10 | MorningStar | 1993 | Org | | | |
| BREAK BREAD TOGETHER | Callahan, Suite on Afro-American Hymn Tunes | 10 | Concordia | 1991 | Org | | | |
| BREAK BREAD TOGETHER | Callahan, We Are Gathered: 12 Hymn Meditations for Piano | 26 | MorningStar | 2015 | | Pno | | |
| BREAK BREAD TOGETHER | Laudate!, Volume 1 | 16 | Concordia | 1994 | Org | | | |
| BUNESSAN | Callahan, Art of Hymn Playing, The | 17 | MorningStar | 2006 | Org | | | Hymn Acc |
| BUNESSAN | Callahan, Art of Hymn Playing, The | 18 | MorningStar | 2006 | Org | | | Hymn Acc |
| BUNESSAN | Callahan, Art of Hymn Playing, The | 20 | MorningStar | 2006 | Org | | | Hymn Acc |
| BUNESSAN | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 9 | MorningStar | 2008 | Org | Pno | | |
| BUNESSAN | Callahan, Thanksgiving Music for Manuals | 4 | MorningStar | 1993 | Org | | | |
| BUNESSAN | Callahan, Thanksgiving Suite | 6 | MorningStar | 1988 | Org | | | |
| BURLEIGH | Callahan, American Suite: Six Pieces for Organ Based Upon American Hymntunes | 14 | MorningStar | 2004 | Org | | | |
| CAITHNESS | Callahan, Art of Hymn Playing, The | 21 | MorningStar | 2006 | Org | | | Hymn Acc |
| CAITHNESS | Callahan, Art of Hymn Playing, The | 22 | MorningStar | 2006 | Org | | | Hymn Acc |
| CHARLESTOWN | Callahan, Art of Hymn Playing, The | 23 | MorningStar | 2006 | Org | | | Hymn Acc |
| CHESTERFIELD | Callahan, Advent Music for Manuals, Set 2 | 14 | MorningStar | 1997 | Org | | | |
| CHRIST IST ERSTANDEN | Callahan, Easter Music for Manuals | 3 | MorningStar | 1991 | Org | | | |
| CHRIST IST ERSTANDEN | Callahan, Easter Suite, An | 3 | MorningStar | 1990 | Org | | | |
| CHRISTE REDEMPTOR | Callahan, Chant, Volume 1 | 18 | Concordia | 1998 | Org | | | |
| CHRISTE SANCTORUM | Callahan, Art of Hymn Playing, The | 24 | MorningStar | 2006 | Org | | | Hymn Acc |
| CHRISTE SANCTORUM | Callahan, Art of Hymn Playing, The | 25 | MorningStar | 2006 | Org | | | Hymn Acc |
| CHRISTUS REX | Callahan, American Suite: Six Pieces for Organ Based Upon American Hymntunes | 5 | MorningStar | 2004 | Org | | | |
| CHRISTUS, DER IST MEIN LEBEN | Callahan, Art of Hymn Playing, The | 26 | MorningStar | 2006 | Org | | | Hymn Acc |
| COLUMCILLE | Callahan, Celtic Collection: 12 Meditations on Celtic Melodies | 6 | MorningStar | 2015 | | Pno | | |
| CONCORDI LAETITIA | Callahan, Marian Hymns: Music for Manuals | 11 | MorningStar | 1996 | Org | | | |
| CONDITOR ALME SIDERUM | Callahan, Advent Music for Manuals | 11 | MorningStar | 1989 | Org | | | |
| CONDITOR ALME SIDERUM | Callahan, Advent Prelude for Flute and Organ | | MorningStar | 1989 | Org | | Instr | |
| CONDITOR ALME SIDERUM | Callahan, Advent Suite, An | 8 | MorningStar | 1994 | Org | | | |
| CONDITOR ALME SIDERUM | Callahan, Four Organ Pieces for Advent and Christmas | 4 | MorningStar | 2012 | Org | | | |
| CONDITOR ALME SIDERUM | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 4 | MorningStar | 2002 | Org | | Instr | |
| CONSOLATION | Callahan, Advent Music for Manuals | 12 | MorningStar | 1989 | Org | | | |
| CONSOLATION | Callahan, American Folk Hymn Suite | 10 | Concordia | 2002 | | Pno | | |
| CONSOLATION | Callahan, Art of Hymn Playing, The | 27 | MorningStar | 2006 | Org | | | Hymn Acc |
| CORONATION | Callahan, Art of Hymn Playing, The | 28 | MorningStar | 2006 | Org | | | Hymn Acc |
| CORONATION | Callahan, Great American Hymns: Music for Manuals | 10 | MorningStar | 1993 | Org | | | |
| COVENTRY CAROL | Callahan, Christmas Music for Manuals, Set 2 | 5 | MorningStar | 1998 | Org | | | |
| CRADLE SONG | Callahan, Christmas Music for Manuals | 5 | MorningStar | 1990 | Org | | | |
| CRANHAM | Callahan, Four Organ Pieces for Advent and Christmas | 13 | MorningStar | 2012 | Org | | | |
| CREATION | Callahan, Art of Hymn Playing, The | 29 | MorningStar | 2006 | Org | | | Hymn Acc |
| CRIMOND | Callahan, Celtic Collection: 12 Meditations on Celtic Melodies | 8 | MorningStar | 2015 | | Pno | | |
| CROSS OF JESUS | Callahan, Lenten Suite, A | 10 | MorningStar | 1991 | Org | | | |
| CROSS OF JESUS | Callahan, Lenten Triptych | 3 | Concordia | 1997 | Org | | | |
| CRUCIFER | Callahan, Partita on Crucifer | | Concordia | 1994 | Org | | | |
| CWM RHONDDA | Callahan, Art of Hymn Playing, The | 31 | MorningStar | 2006 | Org | | | Hymn Acc |
| DARWALL'S 148TH | Callahan, Art of Hymn Playing, The | 32 | MorningStar | 2006 | Org | | | Hymn Acc |
| DARWALL'S 148TH | Callahan, Art of Hymn Playing, The | 33 | MorningStar | 2006 | Org | | | Hymn Acc |
| DARWALL'S 148TH | Callahan, Partita on Darwall's 148th | | MorningStar | 1992 | Org | | | |
| DARWALL'S 148TH | Callahan, Six Postludes on English Hymn Tunes | 6 | MorningStar | 2003 | Org | | | |
| DARWALL'S 148TH | Callahan, The Rejoicing: A Postlude Collection for Organ | 26 | MorningStar | 2007 | Org | | | |
| DEEP RIVER | Callahan, Funeral Music for Manuals | 10 | MorningStar | 1995 | Org | | | |
| DENNIS | Callahan, Art of Hymn Playing, The | 34 | MorningStar | 2006 | Org | | | Hymn Acc |
| DEO GRACIAS | Callahan, Art of Hymn Playing, The | 35 | MorningStar | 2006 | Org | | | Hymn Acc |
| DEO GRACIAS | Callahan, O God Beyond All Praising: Seven Pieces for Organ on English Hymntunes | 17 | MorningStar | 2012 | Org | | | |
| DETROIT | Callahan, American Folk Hymn Suite, Set 2 | 3 | Concordia | 2003 | | Pno | | |
| DEUS TUORUM MILITUM | Callahan, Art of Hymn Playing, The | 36 | MorningStar | 2006 | Org | | | Hymn Acc |
| DIADEMATA | Callahan, Art of Hymn Playing, The | 37 | MorningStar | 2006 | Org | | | Hymn Acc |
| DIADEMATA | Callahan, Great Victorian Hymns | 8 | MorningStar | 1992 | Org | | | |
| DIADEMATA | Callahan, Partita on Diademata | | MorningStar | 1991 | Org | | | |
| DIES EST LAETITIAE | Callahan, Christmas Music for Manuals | 12 | MorningStar | 1990 | Org | | | |
| DIES EST LAETITIAE | Christmas Celebration, A: Six Carol Preludes by Contemporary American Composers | 10 | MorningStar | 1988 | Org | | | |
| DING DONG! MERRILY ON HIGH | Callahan, Christmas Music for Manuals, Set 2 | 6 | MorningStar | 1998 | Org | | | |
| DISTRESS | Callahan, Art of Hymn Playing, The | 38 | MorningStar | 2006 | Org | | | Hymn Acc |
| DISTRESS | Callahan, Art of Hymn Playing, The | 39 | MorningStar | 2006 | Org | | | Hymn Acc |
| DIVINUM MYSTERIUM | Callahan, Christmas Music for Manuals, Set 2 | 8 | MorningStar | 1998 | Org | | | |
| DIVINUM MYSTERIUM | Callahan, Christmas Prelude for Flute and Organ, A | | MorningStar | 1989 | Org | | Instr | |
| DIVINUM MYSTERIUM | Callahan, Christmas Triptych, A | 2 | Concordia | 1996 | Org | | | |
| DIVINUM MYSTERIUM | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 10 | MorningStar | 2002 | Org | | Instr | |
| DIX | Callahan, Art of Hymn Playing, The | 40 | MorningStar | 2006 | Org | | | Hymn Acc |
| DIX | Callahan, Thanksgiving Music for Manuals | 10 | MorningStar | 1993 | Org | | | |
| DIX | Callahan, We Are Gathered: 12 Hymn Meditations for Piano | 14 | MorningStar | 2015 | | Pno | | |
| DOMHNACH TRIONIDE | Callahan, Celtic Collection: 12 Meditations on Celtic Melodies | 6 | MorningStar | 2015 | | Pno | | |
| DOMINUS REGIT ME | Callahan, Six Preludes on English Hymn Tunes, for organ solo | 11 | MorningStar | 2008 | Org | | | |
| DOVE OF PEACE | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 40 | MorningStar | 2008 | Org | Pno | | |
| DOWN AMPNEY | Callahan, Pentecost Music for Manuals | 6 | MorningStar | 1992 | Org | | | |
| DOWN AMPNEY | Callahan, Six Meditations on English Hymn Tunes | 10 | Concordia | 1993 | Org | | | |
| DRAKE'S BROUGHTON | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 58 | MorningStar | 2008 | Org | Pno | | |
| DU LEBENSBROT, HERR JESU CHRIS | Callahan, Reformation Variations, Easy-to-Play | 4 | Concordia | 2008 | Org | | | |
| DUGUET | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 20 | MorningStar | 2008 | Org | Pno | | |
| DUKE STREET | Callahan, Art of Hymn Playing, The | 41 | MorningStar | 2006 | Org | | | Hymn Acc |
| DUKE STREET | Callahan, Partita on Duke Street | | Concordia | 1988 | Org | | | |
| DUKE STREET | Laudate!, Volume 2 | 46 | Concordia | 1995 | Org | | | |
| DUKE STREET | Laudate!, Volume 2 | 48 | Concordia | 1995 | Org | | | |
| DURROW | Callahan, Celtic Collection: 12 Meditations on Celtic Melodies | 10 | MorningStar | 2015 | | Pno | | |
| EASTER HYMN | Callahan, Easter Music for Manuals | 10 | MorningStar | 1991 | Org | | | |
| ECCE PANIS ANGELORUM | Callahan, Chant, Volume 1 | 6 | Concordia | 1998 | Org | | | |
| EIN FESTE BURG (ISOMETRIC) | Callahan, Art of Hymn Playing, The | 42 | MorningStar | 2006 | Org | | | Hymn Acc |
| EIN FESTE BURG (RHYTHMIC) | Callahan, Partita on Ein Feste Burg | | MorningStar | 1987 | Org | | | |
| EIN FESTE BURG (RHYTHMIC) | Callahan, Reformation Variations, Easy-to-Play | 6 | Concordia | 2008 | Org | | | |
| EIN FESTE BURG (RHYTHMIC) | Callahan, The Rejoicing: A Postlude Collection for Organ | 24 | MorningStar | 2007 | Org | | | |
| ELLERS | Callahan, Great Evening Hymns for Manuals | 9 | MorningStar | 1997 | Org | | | |
| ELLERS | Callahan, Great Victorian Hymns | 10 | MorningStar | 1992 | Org | | | |
| ELLERS | Callahan, Six Preludes on English Hymn Tunes, for organ solo | 22 | MorningStar | 2008 | Org | | | |
| ENGELBERG | Callahan, Voluntary on Engelberg | | MorningStar | 1990 | Org | | | |
| ERHALT UNS, HERR (ISOMETRIC) | Callahan, Art of Hymn Playing, The | 43 | MorningStar | 2006 | Org | | | Hymn Acc |
| ERHALT UNS, HERR (RHYTHMIC) | Callahan, Reformation Variations, Easy-to-Play | 11 | Concordia | 2008 | Org | | | |
| ERIE | Callahan, American Folk Hymn Suite | 12 | Concordia | 2002 | | Pno | | |
| ERMUNTRE DICH | Callahan, Art of Hymn Playing, The | 44 | MorningStar | 2006 | Org | | | Hymn Acc |
| ERMUNTRE DICH | Callahan, Christmas Music for Manuals | 10 | MorningStar | 1990 | Org | | | |
| ERMUNTRE DICH | Callahan, Christmas Music for Manuals | 11 | MorningStar | 1990 | Org | | | |
| ES IST EIN ROS | Callahan, Christmas Prelude for Flute and Organ, A | | MorningStar | 1989 | Org | | Instr | |
| ES IST EIN ROS | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 10 | MorningStar | 2002 | Org | | Instr | |
| EUCHARISTIC HYMN | Callahan, Communion Music for Manuals | 10 | MorningStar | 1994 | Org | | | |
| EUCHARISTIC HYMN | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 25 | MorningStar | 2008 | Org | Pno | | |
| EVENTIDE | Callahan, Art of Hymn Playing, The | 46 | MorningStar | 2006 | Org | | | Hymn Acc |
| EVENTIDE | Callahan, Art of Hymn Playing, The | 47 | MorningStar | 2006 | Org | | | Hymn Acc |
| EVENTIDE | Callahan, Funeral Music for Manuals | 11 | MorningStar | 1995 | Org | | | |
| EVENTIDE | Callahan, Great Evening Hymns for Manuals | 5 | MorningStar | 1997 | Org | | | |
| FEILE BRIGHDE | Callahan, Celtic Collection: 12 Meditations on Celtic Melodies | 12 | MorningStar | 2015 | | Pno | | |
| FOREST GREEN | Callahan, Art of Hymn Playing, The | 48 | MorningStar | 2006 | Org | | | Hymn Acc |
| FOREST GREEN | Callahan, Christmas Music for Manuals | 6 | MorningStar | 1990 | Org | | | |
| FOUNDATION | Callahan, American Folk Hymn Suite | 25 | Concordia | 2002 | | Pno | | |
| FOUNDATION | Callahan, American Suite: Six Pieces for Organ Based Upon American Hymntunes | 16 | MorningStar | 2004 | Org | | | |
| FOUNDATION | Callahan, Art of Hymn Playing, The | 50 | MorningStar | 2006 | Org | | | Hymn Acc |
| FOUNDATION | Callahan, Variations on American Hymn Tunes for Keyboard | 4 | Concordia | 2012 | Org | | | |
| FREU DICH SEHR | Callahan, Advent Music for Manuals | 10 | MorningStar | 1989 | Org | | | |
| GABRIEL'S MESSAGE | Callahan, Advent Music for Manuals, Set 2 | 10 | MorningStar | 1997 | Org | | | |
| GARDEN | Callahan, Gospel Prelude Collection | 15 | MorningStar | 2011 | Org | | | |
| GAUDEAMUS PARITER | Callahan, Easter Suite, An | 3 | MorningStar | 1990 | Org | | | |
| GELOBT SEI GOTT | Callahan, Easter Music for Manuals | 12 | MorningStar | 1991 | Org | | | |
| GELOBT SEI GOTT | Callahan, Funeral Music for Manuals | 8 | MorningStar | 1995 | Org | | | |
| GEORGETOWN | Callahan, Gift of Finest Wheat | 10 | Concordia | 1995 | Org | | | |
| GERONTIUS | Callahan, Art of Hymn Playing, The | 52 | MorningStar | 2006 | Org | | | Hymn Acc |
| GLORIA | Callahan, Christmas Suite, A | 4 | MorningStar | 1990 | Org | | | |
| GO DOWN, MOSES | Callahan, Suite on Afro-American Hymn Tunes | 15 | Concordia | 1991 | Org | | | |
| GO TELL IT | Callahan, Christmas Music for Manuals, Set 2 | 10 | MorningStar | 1998 | Org | | | |
| GO TELL IT | Callahan, Spirituals for Keyboard | 4 | MorningStar | 1993 | Org | | | |
| GOTT VATER | Callahan, Art of Hymn Playing, The | 53 | MorningStar | 2006 | Org | | | Hymn Acc |
| GREENSLEEVES | Callahan, Christmas Suite, A | 8 | MorningStar | 1990 | Org | | | |
| GREENSLEEVES | Callahan, Prelude on Greensleeves for Flute and Organ | | MorningStar | 1995 | Org | | Instr | |
| GREENSLEEVES | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 15 | MorningStar | 2002 | Org | | Instr | |
| GROSSER GOTT | Callahan, Art of Hymn Playing, The | 54 | MorningStar | 2006 | Org | | | Hymn Acc |
| GROSSER GOTT | Callahan, Eternal Praises Be | 16 | Concordia | 2011 | Org | | | |
| GROSSER GOTT | Concordia Hymn Prelude Series, Vol. 26 | 22 | Concordia | 1984 | Org | | | |
| GUTE BAUME BRINGEN | Callahan, Lenten Music for Manuals | 12 | MorningStar | 1990 | Org | | | |
| HANKEY | Callahan, Gospel Prelude Collection | 11 | MorningStar | 2011 | Org | | | |
| HANOVER | Callahan, Art of Hymn Playing, The | 55 | MorningStar | 2006 | Org | | | Hymn Acc |
| HANOVER | Callahan, Thanksgiving Music for Manuals | 11 | MorningStar | 1993 | Org | | | |
| HANSON PLACE | Callahan, American Folk Hymn Suite | 16 | Concordia | 2002 | | Pno | | |
| HANSON PLACE | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 53 | MorningStar | 2002 | Org | | Instr | |
| HANSON PLACE | Callahan, Spirit of America | 4 | Concordia | 2003 | Org | | | |
| HE IS KING | Callahan, Spiritual Suite | 6 | MorningStar | 2011 | Org | | | |
| HE LEADETH ME | Callahan, Art of Hymn Playing, The | 56 | MorningStar | 2006 | Org | | | Hymn Acc |
| HE LEADETH ME | Callahan, Art of Hymn Playing, The | 57 | MorningStar | 2006 | Org | | | Hymn Acc |
| HE LEADETH ME | Callahan, Partita on He Leadeth Me | | MorningStar | 2005 | Org | | | |
| HELMSLEY | Callahan, Advent Music for Manuals, Set 2 | 3 | MorningStar | 1997 | Org | | | |
| HERE I AM, LORD | Jubilate, Volume 2 | 12 | Concordia | 2005 | Org | | | |
| HEREFORD | Callahan, Six Preludes on English Hymn Tunes, for organ solo | 4 | MorningStar | 2008 | Org | | | |
| HERR JESU CHRIST, DICH ZU UNS | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 32 | MorningStar | 2008 | Org | Pno | | |
| HERR, WIE DUE WILLST | Callahan, Reformation Variations, Easy-to-Play | 13 | Concordia | 2008 | Org | | | |
| HERZLICH TUT MICH VERLANGEN (I | Callahan, Art of Hymn Playing, The | 58 | MorningStar | 2006 | Org | | | Hymn Acc |
| HERZLICH TUT MICH VERLANGEN (I | Callahan, Lenten Music for Manuals | 8 | MorningStar | 1990 | Org | | | |
| HERZLICH TUT MICH VERLANGEN (I | Callahan, Lenten Suite, A | 13 | MorningStar | 1991 | Org | | | |
| HERZLICH TUT MICH VERLANGEN (I | Jubilate, Volume 4 | 16 | Concordia | 2009 | Org | | | |
| HERZLICH TUT MICH VERLANGEN (R | Callahan, Art of Hymn Playing, The | 59 | MorningStar | 2006 | Org | | | Hymn Acc |
| HERZLICH TUT MICH VERLANGEN (R | Callahan, Art of Hymn Playing, The | 60 | MorningStar | 2006 | Org | | | Hymn Acc |
| HERZLIEBSTER JESU | Callahan, Lenten Music for Manuals | 4 | MorningStar | 1990 | Org | | | |
| HERZLIEBSTER JESU | Callahan, Lenten Prelude for Flute and Organ, A | | MorningStar | 1990 | Org | | Instr | |
| HERZLIEBSTER JESU | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 24 | MorningStar | 2002 | Org | | Instr | |
| HIDING PLACE | Callahan, American Folk Hymn Suite, Set 2 | 10 | Concordia | 2003 | | Pno | | |
| HIDING PLACE | Callahan, Variations on American Hymn Tunes for Keyboard | 10 | Concordia | 2012 | Org | | | |
| HIS EYE IS ON THE SPARROW | Callahan, Gospel Prelude Collection | 8 | MorningStar | 2011 | Org | | | |
| HOLY MANNA | Callahan, Savior, Like a Shepherd Lead Us (The Kilgore Suite): Four Pieces on American Hymn Tunes for Organ | 6 | MorningStar | 2007 | Org | | | |
| HOLY MANNA | Callahan, Variations on American Hymn Tunes for Keyboard | 14 | Concordia | 2012 | Org | | | |
| HOLY MANNA | Callahan, We Are Gathered: 12 Hymn Meditations for Piano | 16 | MorningStar | 2015 | | Pno | | |
| HUMILITY | Christmas Celebration, A: Six Carol Preludes by Contemporary American Composers | 13 | MorningStar | 1988 | Org | | | |
| HYFRYDOL | *God, Whose Giving Knows No Ending | | | | | | | |
| HYFRYDOL | Callahan, Art of Hymn Playing, The | 61 | MorningStar | 2006 | Org | | | Hymn Acc |
| HYFRYDOL | Callahan, Partita on Hyfrydol | | Concordia | 1986 | Org | | | |
| HYFRYDOL | Laudate!, Volume 2 | 58 | Concordia | 1995 | Org | | | |
| HYMN TO JOY | Callahan, Art of Hymn Playing, The | 62 | MorningStar | 2006 | Org | | | Hymn Acc |
| HYMN TO JOY | Callahan, Partita on Hymn to Joy | | MorningStar | 1993 | Org | | | |
| I WANT TO BE A CHRISTIAN | Callahan, Spirituals for Keyboard | 6 | MorningStar | 1993 | Org | | | |
| I WANT TO BE READY | Callahan, Suite on Afro-American Hymn Tunes | 15 | Concordia | 1991 | Org | | | |
| IMMACULATE MARY | Callahan, Marian Hymns: Music for Manuals | 4 | MorningStar | 1996 | Org | | | |
| IN BABILONE | Callahan, Art of Hymn Playing, The | 63 | MorningStar | 2006 | Org | | | Hymn Acc |
| IN BABILONE | Callahan, Pentecost Music for Manuals | 3 | MorningStar | 1992 | Org | | | |
| IN DULCI JUBILO | Callahan, Four Organ Pieces for Advent and Christmas | 13 | MorningStar | 2012 | Org | | | |
| IN GOTTES NAMEN FAHREN WIR | Callahan, Reformation Variations, Easy-to-Play | 16 | Concordia | 2008 | Org | | | |
| IN PARADISUM | Callahan, Chant, Volume 1 | 34 | Concordia | 1998 | Org | | | |
| IRBY | Callahan, Christmas Music for Manuals | 7 | MorningStar | 1990 | Org | | | |
| IT IS WELL | Callahan, Gospel Prelude Collection | 20 | MorningStar | 2011 | Org | | | |
| ITALIAN HYMN | Callahan, Eternal Praises Be | 6 | Concordia | 2011 | Org | | | |
| JERUSALEM | Callahan, O God Beyond All Praising: Seven Pieces for Organ on English Hymntunes | 20 | MorningStar | 2012 | Org | | | |
| JERUSALEM | Callahan, Six Postludes on English Hymn Tunes | 12 | MorningStar | 2003 | Org | | | |
| JESU, DULCIS MEMORIA | Callahan, Art of Hymn Playing, The | 64 | MorningStar | 2006 | Org | | | Hymn Acc |
| JESU, DULCIS MEMORIA | Callahan, Art of Hymn Playing, The | 65 | MorningStar | 2006 | Org | | | Hymn Acc |
| JESU, DULCIS MEMORIA | Callahan, Chant, Volume 1 | 23 | Concordia | 1998 | Org | | | |
| JESU, DULCIS MEMORIA | Callahan, Lenten Triptych | 8 | Concordia | 1997 | Org | | | |
| JESUS CHRISTUS, UNSER HEILAND | Callahan, Reformation Variations, Easy-to-Play | 18 | Concordia | 2008 | Org | | | |
| JESUS LOVES ME | Callahan, Gospel Prelude Collection | 28 | MorningStar | 2011 | Org | | | |
| JESUS LOVES ME | Callahan, We Are Gathered: 12 Hymn Meditations for Piano | 22 | MorningStar | 2015 | | Pno | | |
| JESUS, MEINE ZUVERSICHT | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 39 | MorningStar | 2008 | Org | Pno | | |
| JEWELS | Callahan, Savior, Like a Shepherd Lead Us (The Kilgore Suite): Four Pieces on American Hymn Tunes for Organ | 11 | MorningStar | 2007 | Org | | | |
| JOYFUL SONG | Callahan, Gospel Prelude Collection | 30 | MorningStar | 2011 | Org | | | |
| KAS DZIEDAJA | Callahan, Lenten Triptych | 8 | Concordia | 1997 | Org | | | |
| KELVINGROVE | Callahan, Celtic Collection: 12 Meditations on Celtic Melodies | 14 | MorningStar | 2015 | | Pno | | |
| KING'S LYNN | Callahan, O God Beyond All Praising: Seven Pieces for Organ on English Hymntunes | 8 | MorningStar | 2012 | Org | | | |
| KING'S LYNN | Callahan, Partita on King's Lynn | | Concordia | 2003 | Org | | | |
| KINGSFOLD | Callahan, Partita on Kingsfold | | Concordia | 1997 | Org | | | |
| KINGSFOLD | Callahan, We Are Gathered: 12 Hymn Meditations for Piano | 24 | MorningStar | 2015 | | Pno | | |
| KOMM, GOTT SCHOPFER | Callahan, Pentecost Music for Manuals | 4 | MorningStar | 1992 | Org | | | |
| KREMSER | Callahan, Thanksgiving Music for Manuals | 8 | MorningStar | 1993 | Org | | | |
| KREMSER | Callahan, Thanksgiving Suite | 8 | MorningStar | 1988 | Org | | | |
| KUM BA YAH | Callahan, Art of Hymn Playing, The | 66 | MorningStar | 2006 | Org | | | Hymn Acc |
| KUM BA YAH | Callahan, Spirituals for Keyboard | 1 | MorningStar | 1993 | Org | | | |
| LANCASHIRE | Callahan, Great Victorian Hymns | 6 | MorningStar | 1992 | Org | | | |
| LAND OF REST | Callahan, American Folk Hymn Suite | 6 | Concordia | 2002 | | Pno | | |
| LAND OF REST | Callahan, Art of Hymn Playing, The | 67 | MorningStar | 2006 | Org | | | Hymn Acc |
| LAND OF REST | Callahan, Great American Hymns: Music for Manuals | 6 | MorningStar | 1993 | Org | | | |
| LAND OF REST | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 41 | MorningStar | 2008 | Org | Pno | | |
| LAND OF REST | Callahan, Six Meditations on American Folk Hymns | 3 | Concordia | 1992 | Org | | | |
| LAND OF REST | Callahan, Spirit of America | 12 | Concordia | 2003 | Org | | | |
| LAND OF REST | Callahan, Variations on American Hymn Tunes for Keyboard | 17 | Concordia | 2012 | Org | | | |
| LAND OF REST | Heaven Is My Home | 25 | Concordia | 1992 | Org | | | |
| LAND OF REST | Laudate!, Volume 1 | 32 | Concordia | 1994 | Org | | | |
| LASST UNS ERFREUEN | Callahan, Easter Prelude for Flute and Organ, An | | MorningStar | 1990 | Org | | Instr | |
| LASST UNS ERFREUEN | Callahan, Partita on Lasst uns erfreuen | | MorningStar | 1989 | Org | | | |
| LASST UNS ERFREUEN | Callahan, Piano Improvisations on Familiar Hymns | 6 | MorningStar | 1996 | | Pno | | |
| LASST UNS ERFREUEN | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 30 | MorningStar | 2002 | Org | | Instr | |
| LASST UNS ERFREUEN | Callahan, The Rejoicing: A Postlude Collection for Organ | 19 | MorningStar | 2007 | Org | | | |
| LAUDA SION | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 36 | MorningStar | 2008 | Org | Pno | | |
| LAUDATE DOMINUM | Callahan, Partita on Laudata Dominum (O Praise Ye the Lord) | | Concordia | 1998 | Org | | | |
| LLANFAIR | Callahan, Art of Hymn Playing, The | 70 | MorningStar | 2006 | Org | | | Hymn Acc |
| LLANFYLLIN | Callahan, Celtic Collection: 12 Meditations on Celtic Melodies | 17 | MorningStar | 2015 | | Pno | | |
| LLANGLOFFAN | Callahan, Art of Hymn Playing, The | 71 | MorningStar | 2006 | Org | | | Hymn Acc |
| LOBE DEN HERREN | Callahan, Art of Hymn Playing, The | 72 | MorningStar | 2006 | Org | | | Hymn Acc |
| LOBE DEN HERREN | Callahan, Partita on Lobe den Herren | | MorningStar | 2004 | Org | | | |
| LOBE DEN HERREN | Callahan, Piano Improvisations on Familiar Hymns | 3 | MorningStar | 1996 | | Pno | | |
| LORD, I WANT TO BE A CHRISTIAN | Callahan, Spiritual Suite | 8 | MorningStar | 2011 | Org | | | |
| LOVE DIVINE | Callahan, American Suite: Six Pieces for Organ Based Upon American Hymntunes | 8 | MorningStar | 2004 | Org | | | |
| LOVE UNKNOWN | Callahan, Art of Hymn Playing, The | 74 | MorningStar | 2006 | Org | | | Hymn Acc |
| LOVE UNKNOWN | Callahan, Art of Hymn Playing, The | 75 | MorningStar | 2006 | Org | | | Hymn Acc |
| LOVE UNKNOWN | Callahan, Lenten Music for Manuals | 9 | MorningStar | 1990 | Org | | | |
| LOVE UNKNOWN | Callahan, Lenten Prelude for Flute and Organ, A | | MorningStar | 1990 | Org | | Instr | |
| LOVE UNKNOWN | Callahan, Lenten Suite, A | 2 | MorningStar | 1991 | Org | | | |
| LOVE UNKNOWN | Callahan, Lenten Triptych | 8 | Concordia | 1997 | Org | | | |
| LOVE UNKNOWN | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 24 | MorningStar | 2002 | Org | | Instr | |
| LOVE UNKNOWN | Callahan, Six Meditations on English Hymn Tunes | 3 | Concordia | 1993 | Org | | | |
| LOVE UNKNOWN | Laudate!, Volume 2 | 39 | Concordia | 1995 | Org | | | |
| LUCIS CREATOR | Callahan, Great Evening Hymns for Manuals | 6 | MorningStar | 1997 | Org | | | |
| LUX ET ORIGO | Callahan, Chant, Volume 1 | 4 | Concordia | 1998 | Org | | | |
| MADRID | Callahan, Art of Hymn Playing, The | 76 | MorningStar | 2006 | Org | | | Hymn Acc |
| MANGER SONG | Callahan, American Christmas for Organ, An | 3 | Concordia | 1993 | Org | | | |
| MARYTON | Callahan, Art of Hymn Playing, The | 77 | MorningStar | 2006 | Org | | | Hymn Acc |
| MATERNA | Callahan, American Folk Hymn Suite | 22 | Concordia | 2002 | | Pno | | |
| MATERNA | Callahan, Great American Hymns: Music for Manuals | 8 | MorningStar | 1993 | Org | | | |
| MATERNA | Callahan, Patriotic Prelude for Trumpet and Organ, A | | Concordia | 1990 | Org | | Instr | |
| MATERNA | Callahan, Patriotic Suite, A | 6 | MorningStar | 1992 | Org | | | |
| MATERNA | Callahan, Spirit of America | 16 | Concordia | 2003 | Org | | | |
| MATERNA | Laudate!, Volume 4 | 50 | Concordia | 1997 | Org | | | |
| MCKEE | Callahan, Art of Hymn Playing, The | 78 | MorningStar | 2006 | Org | | | Hymn Acc |
| MCKEE | Callahan, Suite on Afro-American Hymn Tunes | 3 | Concordia | 1991 | Org | | | |
| MCKEE | Callahan, Variations on American Hymn Tunes for Keyboard | 23 | Concordia | 2012 | Org | | | |
| MELCOMBE | Callahan, Art of Hymn Playing, The | 79 | MorningStar | 2006 | Org | | | Hymn Acc |
| MELITA | Callahan, Art of Hymn Playing, The | 80 | MorningStar | 2006 | Org | | | Hymn Acc |
| MELITA | Callahan, Patriotic Suite, A | 3 | MorningStar | 1992 | Org | | | |
| MENDELSSOHN | Callahan, Christmas Prelude for Flute and Organ, A | | MorningStar | 1989 | Org | | Instr | |
| MENDELSSOHN | Callahan, Christmas Triptych, A | 6 | Concordia | 1996 | Org | | | |
| MENDELSSOHN | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 10 | MorningStar | 2002 | Org | | Instr | |
| MERTON | Callahan, Advent Music for Manuals, Set 2 | 4 | MorningStar | 1997 | Org | | | |
| MERTON | Callahan, Art of Hymn Playing, The | 81 | MorningStar | 2006 | Org | | | Hymn Acc |
| MICHAEL | Callahan, Two English Voluntaries for Organ | 2 | Concordia | 1993 | Org | | | |
| MIDDLEBURY | Callahan, Partita on Middlebury (Come Away to the Skies) | | Concordia | 1998 | Org | | | |
| MILES LANE | Callahan, Art of Hymn Playing, The | 82 | MorningStar | 2006 | Org | | | Hymn Acc |
| MIT FREUDEN ZART | Callahan, Art of Hymn Playing, The | 83 | MorningStar | 2006 | Org | | | Hymn Acc |
| MIT FREUDEN ZART | Callahan, Easter Music for Manuals | 4 | MorningStar | 1991 | Org | | | |
| MORECAMBE | Callahan, Pentecost Music for Manuals | 12 | MorningStar | 1992 | Org | | | |
| MORNING STAR | Callahan, Epiphany Prelude for Flute and Organ, A | | MorningStar | 1992 | Org | | Instr | |
| MORNING STAR | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 19 | MorningStar | 2002 | Org | | Instr | |
| MUNICH | Callahan, Art of Hymn Playing, The | 84 | MorningStar | 2006 | Org | | | Hymn Acc |
| NATIONAL ANTHEM | Callahan, Spirit of America | 16 | Concordia | 2003 | Org | | | |
| NATIONAL HYMN | Callahan, Patriotic Prelude for Trumpet and Organ, A | | Concordia | 1990 | Org | | Instr | |
| NEAR THE CROSS | Callahan, Gospel Prelude Collection | 24 | MorningStar | 2011 | Org | | | |
| NEED | Callahan, American Folk Hymn Suite, Set 2 | 12 | Concordia | 2003 | | Pno | | |
| NETTLETON | Callahan, American Folk Hymn Suite | 4 | Concordia | 2002 | | Pno | | |
| NETTLETON | Callahan, Art of Hymn Playing, The | 85 | MorningStar | 2006 | Org | | | Hymn Acc |
| NETTLETON | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 59 | MorningStar | 2008 | Org | Pno | | |
| NETTLETON | Callahan, Six Meditations on American Folk Hymns | 7 | Concordia | 1992 | Org | | | |
| NEW BRITAIN | Callahan, Amazing Grace, Piano and Organ Duet | | Morningstar | 1995 | Org | Pno | | |
| NEW BRITAIN | Callahan, American Folk Hymn Suite, Set 2 | 24 | Concordia | 2003 | | Pno | | |
| NEW BRITAIN | Callahan, Art of Hymn Playing, The | 86 | MorningStar | 2006 | Org | | | Hymn Acc |
| NEW BRITAIN | Callahan, Art of Hymn Playing, The | 87 | MorningStar | 2006 | Org | | | Hymn Acc |
| NEW BRITAIN | Callahan, Fantasy-Prelude on Amazing Grace | | MorningStar | 1996 | Org | | | |
| NEW BRITAIN | Callahan, Funeral Music for Manuals | 4 | MorningStar | 1995 | Org | | | |
| NEW BRITAIN | Callahan, Great American Hymns: Music for Manuals | 5 | MorningStar | 1993 | Org | | | |
| NEW BRITAIN | Callahan, Partita on New Britain | | Concordia | 2001 | Org | | | |
| NEW BRITAIN | Callahan, Piano Improvisations on Familiar Hymns | 10 | MorningStar | 1996 | | Pno | | |
| NEW BRITAIN | Heaven Is My Home | 34 | Concordia | 2003 | Org | | | |
| NEW ENGLAND | Callahan, Eternal Praises Be | 4 | Concordia | 2011 | Org | | | |
| NICAEA | Callahan, Art of Hymn Playing, The | 88 | MorningStar | 2006 | Org | | | Hymn Acc |
| NICAEA | Callahan, Art of Hymn Playing, The | 89 | MorningStar | 2006 | Org | | | Hymn Acc |
| NICAEA | Callahan, Great Victorian Hymns | 7 | MorningStar | 1992 | Org | | | |
| NICAEA | Callahan, Partita on Nicaea | | MorningStar | 1996 | Org | | | |
| NICAEA | Callahan, Piano Improvisations on Familiar Hymns | 4 | MorningStar | 1996 | | Pno | | |
| NICAEA | Callahan, We Are Gathered: 12 Hymn Meditations for Piano | 4 | MorningStar | 2015 | | Pno | | |
| NON DIGNUS | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 45 | MorningStar | 2008 | Org | Pno | | |
| NUN DANKET ALL | Callahan, Art of Hymn Playing, The | 90 | MorningStar | 2006 | Org | | | Hymn Acc |
| NUN DANKET ALL | Callahan, Pentecost Music for Manuals | 9 | MorningStar | 1992 | Org | | | |
| NUN DANKET ALLE GOTT | Callahan, Eternal Praises Be | 12 | Concordia | 2011 | Org | | | |
| NUN DANKET ALLE GOTT | Callahan, Thanksgiving Music for Manuals | 6 | MorningStar | 1993 | Org | | | |
| NUN DANKET ALLE GOTT | Callahan, Thanksgiving Suite | 8 | MorningStar | 1988 | Org | | | |
| NUN DANKET ALLE GOTT | Callahan, We Are Gathered: 12 Hymn Meditations for Piano | 28 | MorningStar | 2015 | | Pno | | |
| NUN DANKET ALLE GOTT | Laudate!, Volume 5 | 49 | Concordia | 1998 | Org | | | |
| NUN FREUT EUCH | Callahan, Reformation Variations, Easy-to-Play | 20 | Concordia | 2008 | Org | | | |
| NUN KOMM, DER HEIDEN HEILAND | Callahan, Advent Music for Manuals | 8 | MorningStar | 1989 | Org | | | |
| NUN KOMM, DER HEIDEN HEILAND | Callahan, Art of Hymn Playing, The | 91 | MorningStar | 2006 | Org | | | Hymn Acc |
| NUNC DIMITTIS | Callahan, Great Evening Hymns for Manuals | 4 | MorningStar | 1997 | Org | | | |
| O FILII ET FILIAE | Callahan, Easter Music for Manuals | 14 | MorningStar | 1991 | Org | | | |
| O FILII ET FILIAE | Callahan, Easter Suite, An | 6 | MorningStar | 1990 | Org | | | |
| O FILII ET FILIAE | Callahan, Easter Suite, An | 9 | MorningStar | 1990 | Org | | | |
| O HEILAND, REISS DIE HIMMEL AU | Callahan, Art of Hymn Playing, The | 92 | MorningStar | 2006 | Org | | | Hymn Acc |
| O HEILAND, REISS DIE HIMMEL AU | Callahan, Art of Hymn Playing, The | 93 | MorningStar | 2006 | Org | | | Hymn Acc |
| O PERFECT LOVE | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 50 | MorningStar | 2002 | Org | | Instr | |
| O PERFECT LOVE | Callahan, Wedding Music for Manuals | 14 | Concordia | 1994 | Org | | | |
| O QUANTA QUALIA | Callahan, Art of Hymn Playing, The | 94 | MorningStar | 2006 | Org | | | Hymn Acc |
| O TRAURIGKEIT | Callahan, Lenten Music for Manuals | 10 | MorningStar | 1990 | Org | | | |
| O WALY, WALY | Callahan, Art of Hymn Playing, The | 95 | MorningStar | 2006 | Org | | | Hymn Acc |
| O WALY, WALY | Jubilate, Volume 1 | 22 | Concordia | 2003 | Org | | | |
| O WELT, ICH MUSS DICH LASSEN | Callahan, Art of Hymn Playing, The | 96 | MorningStar | 2006 | Org | | | Hymn Acc |
| O WELT, ICH MUSS DICH LASSEN | Callahan, Great Evening Hymns for Manuals | 10 | MorningStar | 1997 | Org | | | |
| OLD 124TH | Callahan, Art of Hymn Playing, The | 98 | MorningStar | 2006 | Org | | | Hymn Acc |
| OLD 124TH, ABBR. | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 34 | MorningStar | 2008 | Org | Pno | | |
| OLD HUNDREDTH | Callahan, Art of Hymn Playing, The | 97 | MorningStar | 2006 | Org | | | Hymn Acc |
| OLD HUNDREDTH | Callahan, Psalm of Praise (Toccata on Old Hundredth) | | Concordia | 1999 | Org | | | |
| OLIVET | Callahan, Art of Hymn Playing, The | 99 | MorningStar | 2006 | Org | | | Hymn Acc |
| OLIVET | Callahan, Great Victorian Hymns | 8 | MorningStar | 1992 | Org | | | |
| OLIVET | Callahan, We Are Gathered: 12 Hymn Meditations for Piano | 19 | MorningStar | 2015 | | Pno | | |
| OMNI DIE | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 44 | MorningStar | 2008 | Org | Pno | | |
| ON EAGLE'S WINGS | Callahan, This is the Feast | 7 | Concordia | 1996 | Org | | | |
| ON EAGLE'S WINGS | Laudate!, Volume 3 | 9 | Concordia | 1996 | Org | | | |
| OTHELLO | Callahan, Gospel Prelude Collection | 36 | MorningStar | 2011 | Org | | | |
| PANGE LINGUA | Callahan, Art of Hymn Playing, The | 100 | MorningStar | 2006 | Org | | | Hymn Acc |
| PANGE LINGUA | Callahan, Chant, Volume 1 | 14 | Concordia | 1998 | Org | | | |
| PANGE LINGUA | Callahan, Chant, Volume 1 | 16 | Concordia | 1998 | Org | | | |
| PANGE LINGUA | Callahan, Communion Music for Manuals | 7 | MorningStar | 1994 | Org | | | |
| PANGE LINGUA | Callahan, Five Improvisations on Communion Hymns | 16 | Concordia | 1991 | Org | | | |
| PANGE LINGUA | Callahan, Lenten Music for Manuals | 5 | MorningStar | 1990 | Org | | | |
| PEACE LIKE A RIVER | Callahan, Spiritual Suite | 17 | MorningStar | 2011 | Org | | | |
| PENITENTIA | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 28 | MorningStar | 2008 | Org | Pno | | |
| PERSONET HODIE | Callahan, Christmas Music for Manuals | 4 | MorningStar | 1990 | Org | | | |
| PICARDY | Callahan, Advent Music for Manuals, Set 2 | 12 | MorningStar | 1997 | Org | | | |
| PICARDY | Callahan, Art of Hymn Playing, The | 101 | MorningStar | 2006 | Org | | | Hymn Acc |
| PICARDY | Callahan, Art of Hymn Playing, The | 102 | MorningStar | 2006 | Org | | | Hymn Acc |
| PICARDY | Callahan, Art of Hymn Playing, The | 103 | MorningStar | 2006 | Org | | | Hymn Acc |
| PICARDY | Callahan, Communion Music for Manuals | 4 | MorningStar | 1994 | Org | | | |
| PICARDY | Callahan, Five Improvisations on Communion Hymns | 4 | Concordia | 1991 | Org | | | |
| PICARDY | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 48 | MorningStar | 2008 | Org | Pno | | |
| PICARDY | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 49 | MorningStar | 2008 | Org | Pno | | |
| PICARDY | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 50 | MorningStar | 2008 | Org | Pno | | |
| PICARDY | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 52 | MorningStar | 2008 | Org | Pno | | |
| PICARDY | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 47 | MorningStar | 2002 | Org | | Instr | |
| PILGRIMS | Callahan, Six Preludes on English Hymn Tunes, for organ solo | 14 | MorningStar | 2008 | Org | | | |
| PILOT | Callahan, Art of Hymn Playing, The | 104 | MorningStar | 2006 | Org | | | Hymn Acc |
| PLEADING SAVIOR | Callahan, Art of Hymn Playing, The | 105 | MorningStar | 2006 | Org | | | Hymn Acc |
| PLEADING SAVIOR | Callahan, Six Meditations on American Folk Hymns | 10 | Concordia | 1992 | Org | | | |
| PRAISE, MY SOUL | Callahan, Six Preludes on English Hymn Tunes, for organ solo | 18 | MorningStar | 2008 | Org | | | |
| PROSPECT | Callahan, American Folk Hymn Suite, Set 2 | 6 | Concordia | 2003 | | Pno | | |
| PUER NATUS IN BETHLEHEM | Callahan, Christmas Suite, A | 12 | MorningStar | 1990 | Org | | | |
| RATISBON | Callahan, Art of Hymn Playing, The | 106 | MorningStar | 2006 | Org | | | Hymn Acc |
| RATISBON | Callahan, Epiphany Suite, An | | MorningStar | 1992 | Org | | | |
| REGENT SQUARE | Callahan, Art of Hymn Playing, The | 107 | MorningStar | 2006 | Org | | | Hymn Acc |
| REGINA COELI | Callahan, Chant-based Hymns: Music for Manuals | 10 | MorningStar | 1996 | Org | | | |
| RENDEZ A DIEU | Callahan, Art of Hymn Playing, The | 108 | MorningStar | 2006 | Org | | | Hymn Acc |
| RENDEZ A DIEU | Callahan, Art of Hymn Playing, The | 109 | MorningStar | 2006 | Org | | | Hymn Acc |
| RENDEZ A DIEU | Callahan, Art of Hymn Playing, The | 110 | MorningStar | 2006 | Org | | | Hymn Acc |
| RENDEZ A DIEU | Callahan, Communion Music for Manuals | 9 | MorningStar | 1994 | Org | | | |
| REPTON | Callahan, O God Beyond All Praising: Seven Pieces for Organ on English Hymntunes | 14 | MorningStar | 2012 | Org | | | |
| REPTON | Callahan, Six Meditations on English Hymn Tunes | 13 | Concordia | 1993 | Org | | | |
| REQUIEM AETERNAM | Callahan, Chant, Volume 1 | 32 | Concordia | 1998 | Org | | | |
| REQUIEM AETERNAM | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 56 | MorningStar | 2002 | Org | | Instr | |
| RESIGNATION | Callahan, American Folk Hymn Suite | 8 | Concordia | 2002 | | Pno | | |
| RESIGNATION | Callahan, American Folk Hymn Suite, Set 2 | 18 | Concordia | 2003 | | Pno | | |
| RESIGNATION | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 6 | MorningStar | 2008 | Org | Pno | | |
| RESIGNATION | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 7 | MorningStar | 2008 | Org | Pno | | |
| RESIGNATION | Callahan, Six Meditations on American Folk Hymns | 12 | Concordia | 1992 | Org | | | |
| RESTORATION | Callahan, Art of Hymn Playing, The | 112 | MorningStar | 2006 | Org | | | Hymn Acc |
| RHOSYMEDRE | Callahan, Celtic Collection: 12 Meditations on Celtic Melodies | 20 | MorningStar | 2015 | | Pno | | |
| RHOSYMEDRE | Hymn Prelude Library, Volume 9, Tunes PQR | 80 | Concordia | 2016 | Org | | | |
| RISE UP, SHEPHERD | Callahan, American Christmas for Organ, An | 7 | Concordia | 1993 | Org | | | |
| ROCKINGHAM OLD | Callahan, Art of Hymn Playing, The | 113 | MorningStar | 2006 | Org | | | Hymn Acc |
| ROCKINGHAM OLD | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 16 | MorningStar | 2008 | Org | Pno | | |
| ROSEDALE | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 38 | MorningStar | 2008 | Org | Pno | | |
| RUSTINGHAM | Callahan, Six Postludes on English Hymn Tunes | 17 | MorningStar | 2003 | Org | | | |
| SALVATION | Callahan, American Folk Hymn Suite, Set 2 | 30 | Concordia | 2003 | | Pno | | |
| SALVE FESTA DIES | Callahan, Partita on Salve Feste Dies (Hail Thee, Festival Day) | | Concordia | 1999 | Org | | | |
| SALVE REGINA | Callahan, Chant, Volume 1 | 24 | Concordia | 1998 | Org | | | |
| SALVE REGINA | Callahan, Chant-based Hymns: Music for Manuals | 8 | MorningStar | 1996 | Org | | | |
| SALVE REGINA COELITUM | Callahan, Marian Hymns: Music for Manuals | 12 | MorningStar | 1996 | Org | | | |
| SALZBURG | Callahan, Art of Hymn Playing, The | 127 | MorningStar | 2006 | Org | | | Hymn Acc |
| SALZBURG | Callahan, Art of Hymn Playing, The | 128 | MorningStar | 2006 | Org | | | Hymn Acc |
| SALZBURG | Callahan, Easter Music for Manuals | 16 | MorningStar | 1991 | Org | | | |
| SCHMUCKE DICH | Callahan, Communion Music for Manuals | 6 | MorningStar | 1994 | Org | | | |
| SCHMUCKE DICH | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 26 | MorningStar | 2008 | Org | Pno | | |
| SCHONSTER HERR JESU | Callahan, Art of Hymn Playing, The | 129 | MorningStar | 2006 | Org | | | Hymn Acc |
| SCHONSTER HERR JESU | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 29 | MorningStar | 2008 | Org | Pno | | |
| SHEPHERD ME, O GOD | Callahan, This is the Feast | 11 | Concordia | 1996 | Org | | | |
| SHEPHERD ME, O GOD | Laudate!, Volume 3 | 16 | Concordia | 1996 | Org | | | |
| SICILIAN MARINERS | Callahan, Art of Hymn Playing, The | 130 | MorningStar | 2006 | Org | | | Hymn Acc |
| SICILIAN MARINERS | Callahan, Marian Hymns: Music for Manuals | 6 | MorningStar | 1996 | Org | | | |
| SIMPLE GIFTS | Callahan, American Folk Hymn Suite | 19 | Concordia | 2002 | | Pno | | |
| SIMPLE GIFTS | Callahan, American Suite: Six Pieces for Organ Based Upon American Hymntunes | 16 | MorningStar | 2004 | Org | | | |
| SIMPLE GIFTS | Callahan, Art of Hymn Playing, The | 131 | MorningStar | 2006 | Org | | | Hymn Acc |
| SIMPLE GIFTS | Callahan, Great American Hymns: Music for Manuals | 13 | MorningStar | 1993 | Org | | | |
| SINE NOMINE | Callahan, Art of Hymn Playing, The | 132 | MorningStar | 2006 | Org | | | Hymn Acc |
| SINE NOMINE | Callahan, Funeral Music for Manuals | 5 | MorningStar | 1995 | Org | | | |
| SINE NOMINE | Callahan, Six Postludes on English Hymn Tunes | 14 | MorningStar | 2003 | Org | | | |
| SLANE | Callahan, Art of Hymn Playing, The | 134 | MorningStar | 2006 | Org | | | Hymn Acc |
| SLANE | Callahan, Art of Hymn Playing, The | 135 | MorningStar | 2006 | Org | | | Hymn Acc |
| SLANE | Callahan, Celtic Collection: 12 Meditations on Celtic Melodies | 22 | MorningStar | 2015 | | Pno | | |
| SLANE | Callahan, Funeral Music for Manuals | 7 | MorningStar | 1995 | Org | | | |
| SLANE | Callahan, Partita on Slane | | Concordia | 1990 | Org | | | |
| SOLEMNIS HAEC FESTIVAS | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 18 | MorningStar | 2008 | Org | Pno | | |
| SONG 13 | Callahan, Art of Hymn Playing, The | 136 | MorningStar | 2006 | Org | | | Hymn Acc |
| SONG 13 | Callahan, Pentecost Music for Manuals | 5 | MorningStar | 1992 | Org | | | |
| SONG 46 | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 35 | MorningStar | 2008 | Org | Pno | | |
| ST. AGNES | Callahan, Art of Hymn Playing, The | 114 | MorningStar | 2006 | Org | | | Hymn Acc |
| ST. AGNES | Callahan, Eternal Praises Be | 6 | Concordia | 2011 | Org | | | |
| ST. AGNES | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 15 | MorningStar | 2008 | Org | Pno | | |
| ST. ANNE | Callahan, Art of Hymn Playing, The | 115 | MorningStar | 2006 | Org | | | Hymn Acc |
| ST. ANNE | Callahan, Art of Hymn Playing, The | 116 | MorningStar | 2006 | Org | | | Hymn Acc |
| ST. ANNE | Callahan, Funeral Music for Manuals | 3 | MorningStar | 1995 | Org | | | |
| ST. ANNE | Callahan, Partita on St. Anne | | MorningStar | 2002 | Org | | | |
| ST. ANNE | Callahan, Six Postludes on English Hymn Tunes | 10 | MorningStar | 2003 | Org | | | |
| ST. ANTHONY CHORALE | Callahan, Thanksgiving Music for Manuals | 12 | MorningStar | 1993 | Org | | | |
| ST. CATHERINE | Callahan, Art of Hymn Playing, The | 118 | MorningStar | 2006 | Org | | | Hymn Acc |
| ST. CATHERINE | Callahan, Great Victorian Hymns | 4 | MorningStar | 1992 | Org | | | |
| ST. CATHERINE | Callahan, Six Meditations on English Hymn Tunes | 8 | Concordia | 1993 | Org | | | |
| ST. CATHERINE | Concordia Hymn Prelude Series, Vol. 37 | 14 | Concordia | 1986 | Org | | | |
| ST. CATHERINE | Laudate!, Volume 1 | 22 | Concordia | 1994 | Org | | | |
| ST. CHRISTOPHER | Callahan, Art of Hymn Playing, The | 119 | MorningStar | 2006 | Org | | | Hymn Acc |
| ST. CLEMENT | Callahan, Great Evening Hymns for Manuals | 8 | MorningStar | 1997 | Org | | | |
| ST. COLUMBA | Callahan, Art of Hymn Playing, The | 120 | MorningStar | 2006 | Org | | | Hymn Acc |
| ST. COLUMBA | Callahan, Celtic Collection: 12 Meditations on Celtic Melodies | 24 | MorningStar | 2015 | | Pno | | |
| ST. COLUMBA | Callahan, Eternal Praises Be | 6 | Concordia | 2011 | Org | | | |
| ST. COLUMBA | Callahan, Five Improvisations on Communion Hymns | 13 | Concordia | 1991 | Org | | | |
| ST. COLUMBA | Callahan, Funeral Music for Manuals | 6 | MorningStar | 1995 | Org | | | |
| ST. COLUMBA | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 56 | MorningStar | 2008 | Org | Pno | | |
| ST. COLUMBA | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 57 | MorningStar | 2008 | Org | Pno | | |
| ST. COLUMBA | Callahan, We Are Gathered: 12 Hymn Meditations for Piano | 30 | MorningStar | 2015 | | Pno | | |
| ST. COLUMBA | Laudate!, Volume 2 | 55 | Concordia | 1995 | Org | | | |
| ST. DENIO | Callahan, Art of Hymn Playing, The | 121 | MorningStar | 2006 | Org | | | Hymn Acc |
| ST. DENIO | Callahan, The Rejoicing: A Postlude Collection for Organ | 8 | MorningStar | 2007 | Org | | | |
| ST. FLAVIAN | Callahan, Art of Hymn Playing, The | 122 | MorningStar | 2006 | Org | | | Hymn Acc |
| ST. FLAVIAN | Callahan, Art of Hymn Playing, The | 123 | MorningStar | 2006 | Org | | | Hymn Acc |
| ST. GEORGE'S, WINDSOR | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 42 | MorningStar | 2002 | Org | | Instr | |
| ST. GEORGE'S, WINDSOR | Callahan, Thanksgiving Music for Manuals | 3 | MorningStar | 1993 | Org | | | |
| ST. GEORGE'S, WINDSOR | Callahan, Thanksgiving Suite | 3 | MorningStar | 1988 | Org | | | |
| ST. GEORGE'S, WINDSOR | Callahan. Thanksgiving Prelude for Flute and Organ, A | | MorningStar | 1994 | Org | | Instr | |
| ST. LOUIS | Callahan, American Christmas for Organ, An | 10 | Concordia | 1993 | Org | | | |
| ST. LOUIS | Callahan, Christmas Music for Manuals, Set 2 | 7 | MorningStar | 1998 | Org | | | |
| ST. MAGNUS | Callahan, Six Postludes on English Hymn Tunes | 3 | MorningStar | 2003 | Org | | | |
| ST. PETER | Callahan, Art of Hymn Playing, The | 124 | MorningStar | 2006 | Org | | | Hymn Acc |
| ST. STEPHEN | Callahan, Advent Music for Manuals, Set 2 | 6 | MorningStar | 1997 | Org | | | |
| ST. STEPHEN | Callahan, Art of Hymn Playing, The | 125 | MorningStar | 2006 | Org | | | Hymn Acc |
| ST. THOMAS | Callahan, Art of Hymn Playing, The | 126 | MorningStar | 2006 | Org | | | Hymn Acc |
| ST. THOMAS | Laudate!, Volume 5 | 28 | Concordia | 1998 | Org | | | |
| ST. THOMAS (HOLYWOOD) | Callahan, Advent Music for Manuals | 14 | MorningStar | 1989 | Org | | | |
| STEAL AWAY | Callahan, Spiritual Suite | 4 | MorningStar | 2011 | Org | | | |
| STEAL AWAY | Callahan, Spirituals for Keyboard | 8 | MorningStar | 1993 | Org | | | |
| STELLA | Callahan, Marian Hymns: Music for Manuals | 8 | MorningStar | 1996 | Org | | | |
| STILLE NACHT | Callahan, Christmas Music for Manuals, Set 2 | 3 | MorningStar | 1998 | Org | | | |
| STILLE NACHT | Callahan, Christmas Prelude for Flute and Organ, A | | MorningStar | 1989 | Org | | Instr | |
| STILLE NACHT | Callahan, Christmas Suite, A | 10 | MorningStar | 1990 | Org | | | |
| STILLE NACHT | Callahan, Christmas Triptych, A | 4 | Concordia | 1996 | Org | | | |
| STILLE NACHT | Callahan, Christmas Triptych, A | 6 | Concordia | 1996 | Org | | | |
| STILLE NACHT | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 10 | MorningStar | 2002 | Org | | Instr | |
| STILLE NACHT | Callahan, Silent Night: Partita | | MorningStar | 2003 | Org | | | |
| STILLE NACHT | Jubilate, Volume 4 | 38 | Concordia | 2009 | Org | | | |
| STUTTGART | Callahan, Advent Music for Manuals, Set 2 | 16 | MorningStar | 1997 | Org | | | |
| STUTTGART | Callahan, Advent Suite, An | 6 | MorningStar | 1994 | Org | | | |
| STUTTGART | Callahan, Art of Hymn Playing, The | 137 | MorningStar | 2006 | Org | | | Hymn Acc |
| SUCH, WER DA WILL | Callahan, Reformation Variations, Easy-to-Play | 22 | Concordia | 2008 | Org | | | |
| SURREY | Callahan, Six Meditations on English Hymn Tunes | 5 | Concordia | 1993 | Org | | | |
| SWEET BY AND BY | Callahan, Gospel Prelude Collection | 17 | MorningStar | 2011 | Org | | | |
| SWING LOW | Callahan, Spirituals for Keyboard | 11 | MorningStar | 1993 | Org | | | |
| TALLIS' CANON | Callahan, Art of Hymn Playing, The | 138 | MorningStar | 2006 | Org | | | Hymn Acc |
| TALLIS' CANON | Callahan, Art of Hymn Playing, The | 140 | MorningStar | 2006 | Org | | | Hymn Acc |
| TALLIS' CANON | Callahan, Great Evening Hymns for Manuals | 3 | MorningStar | 1997 | Org | | | |
| TALLIS' ORDINAL | Callahan, Six Preludes on English Hymn Tunes, for organ solo | 8 | MorningStar | 2008 | Org | | | |
| TENDER THOUGHT | Callahan, American Folk Hymn Suite, Set 2 | 28 | Concordia | 2003 | | Pno | | |
| TENDER THOUGHT | Callahan, Eternal Praises Be | 6 | Concordia | 2011 | Org | | | |
| TERRA PATRIS | Callahan, O God Beyond All Praising: Seven Pieces for Organ on English Hymntunes | 12 | MorningStar | 2012 | Org | | | |
| THAXTED | Callahan, O God Beyond All Praising: Seven Pieces for Organ on English Hymntunes | 4 | MorningStar | 2012 | Org | | | |
| THE ASH GROVE | Callahan, Celtic Collection: 12 Meditations on Celtic Melodies | 27 | MorningStar | 2015 | | Pno | | |
| THE ASH GROVE | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 42 | MorningStar | 2002 | Org | | Instr | |
| THE ASH GROVE | Callahan, Thanksgiving Music for Manuals | 9 | MorningStar | 1993 | Org | | | |
| THE ASH GROVE | Callahan. Thanksgiving Prelude for Flute and Organ, A | | MorningStar | 1994 | Org | | Instr | |
| THE FIRST NOWELL | Callahan, Christmas Music for Manuals, Set 2 | 4 | MorningStar | 1998 | Org | | | |
| THE FIRST NOWELL | Callahan, Christmas Prelude for Flute and Organ, A | | MorningStar | 1989 | Org | | Instr | |
| THE FIRST NOWELL | Callahan, Christmas Suite, A | 12 | MorningStar | 1990 | Org | | | |
| THE FIRST NOWELL | Callahan, Christmas Triptych, A | 6 | Concordia | 1996 | Org | | | |
| THE FIRST NOWELL | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 10 | MorningStar | 2002 | Org | | Instr | |
| THE SAINT'S DELIGHT | Callahan, American Folk Hymn Suite, Set 2 | 14 | Concordia | 2003 | | Pno | | |
| THE STAR-SPANGLED BANNER | Callahan, Patriotic Suite, A | 9 | MorningStar | 1992 | Org | | | |
| THE STAR-SPANGLED BANNER | Laudate!, Volume 4 | 53 | Concordia | 1997 | Org | | | |
| THEN | Callahan, Gift of Finest Wheat | 8 | Concordia | 1995 | Org | | | |
| THIS IS THE FEAST | Callahan, This is the Feast | 3 | Concordia | 1996 | Org | | | |
| THIS IS THE FEAST | Laudate!, Volume 3 | 5 | Concordia | 1996 | Org | | | |
| THIS IS THE FEAST (NELSON) | Callahan, This is the Feast | 15 | Concordia | 1996 | Org | | | |
| THORNBURY | Callahan, O God Beyond All Praising: Seven Pieces for Organ on English Hymntunes | 23 | MorningStar | 2012 | Org | | | |
| TOPLADY | Callahan, Art of Hymn Playing, The | 141 | MorningStar | 2006 | Org | | | Hymn Acc |
| TOPLADY | Callahan, Great Victorian Hymns | 5 | MorningStar | 1992 | Org | | | |
| TRURO | Laudate!, Volume 4 | 74 | Concordia | 1997 | Org | | | |
| UBI CARITAS | Callahan, Art of Hymn Playing, The | 142 | MorningStar | 2006 | Org | | | Hymn Acc |
| UBI CARITAS | Callahan, Chant, Volume 1 | 31 | Concordia | 1998 | Org | | | |
| UBI CARITAS | Callahan, Chant-based Hymns: Music for Manuals | 3 | MorningStar | 1996 | Org | | | |
| UBI CARITAS | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 10 | MorningStar | 2008 | Org | Pno | | |
| UNE JEUNE PUCELLE | Callahan, Christmas Music for Manuals | 14 | MorningStar | 1990 | Org | | | |
| UNION SEMINARY | Callahan, Prelude on Union Seminary, for Organ Solo | | MorningStar | 2008 | Org | | | |
| UNION SEMINARY | Laudate!, Volume 2 | 52 | Concordia | 1995 | Org | | | |
| UNSER HERRSCHER | Callahan, Art of Hymn Playing, The | 144 | MorningStar | 2006 | Org | | | Hymn Acc |
| VALET WILL ICH DIR GEBEN | Callahan, Art of Hymn Playing, The | 145 | MorningStar | 2006 | Org | | | Hymn Acc |
| VALET WILL ICH DIR GEBEN | Callahan, Art of Hymn Playing, The | 146 | MorningStar | 2006 | Org | | | Hymn Acc |
| VATER UNSER | Callahan, Reformation Variations, Easy-to-Play | 24 | Concordia | 2008 | Org | | | |
| VENI CREATOR SPIRITUS | Callahan, Pentecost Music for Manuals | 8 | MorningStar | 1992 | Org | | | |
| VENI CREATOR SPIRITUS | Callahan, Pentecost Prelude for Flute and Organ | | MorningStar | 1991 | Org | | Instr | |
| VENI CREATOR SPIRITUS | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 35 | MorningStar | 2002 | Org | | Instr | |
| VENI REDEMPTOR OMNIUM | Callahan, Advent Music for Manuals | 9 | MorningStar | 1989 | Org | | | |
| VENI, EMMANUEL | Callahan, Advent Music for Manuals | 6 | MorningStar | 1989 | Org | | | |
| VENI, EMMANUEL | Callahan, Advent Prelude for Flute and Organ | | MorningStar | 1989 | Org | | Instr | |
| VENI, EMMANUEL | Callahan, Advent Suite, An | 3 | MorningStar | 1994 | Org | | | |
| VENI, EMMANUEL | Callahan, Art of Hymn Playing, The | 147 | MorningStar | 2006 | Org | | | Hymn Acc |
| VENI, EMMANUEL | Callahan, Four Organ Pieces for Advent and Christmas | 4 | MorningStar | 2012 | Org | | | |
| VENI, EMMANUEL | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 4 | MorningStar | 2002 | Org | | Instr | |
| VENI, EMMANUEL | Laudate!, Volume 2 | 22 | Concordia | 1995 | Org | | | |
| VENI, SANCTE SPIRITUS | Callahan, Pentecost Music for Manuals | 10 | MorningStar | 1992 | Org | | | |
| VERBUM SUPERNUM | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 14 | MorningStar | 2008 | Org | Pno | | |
| VEXILLA REGIS | Callahan, Chant, Volume 1 | 27 | Concordia | 1998 | Org | | | |
| VICTIMAE PASCHALI | Callahan, Easter Music for Manuals | 6 | MorningStar | 1991 | Org | | | |
| VICTIMAE PASCHALI | Callahan, Easter Prelude for Flute and Organ, An | | MorningStar | 1990 | Org | | Instr | |
| VICTIMAE PASCHALI | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 30 | MorningStar | 2002 | Org | | Instr | |
| VICTORY | Callahan, Easter Victory | | Concordia | 1991 | Org | | | |
| VICTORY | Callahan, Funeral Music for Manuals | 8 | MorningStar | 1995 | Org | | | |
| VIRGO DEI GENITRIX | Callahan, Chant, Volume 1 | 30 | Concordia | 1998 | Org | | | |
| VOM HIMMEL HOCH | Callahan, Christmas Suite, A | 4 | MorningStar | 1990 | Org | | | |
| VRUECHTEN | Callahan, Easter Music for Manuals | 8 | MorningStar | 1991 | Org | | | |
| WACHET AUF | Callahan, Advent Music for Manuals | 3 | MorningStar | 1989 | Org | | | |
| WACHET AUF | Callahan, Art of Hymn Playing, The | 148 | MorningStar | 2006 | Org | | | Hymn Acc |
| WACHET AUF | Callahan, Four Organ Pieces for Advent and Christmas | 9 | MorningStar | 2012 | Org | | | |
| WALTON | Callahan, Art of Hymn Playing, The | 51 | MorningStar | 2006 | Org | | | Hymn Acc |
| WALTON | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 12 | MorningStar | 2008 | Org | Pno | | |
| WAREHAM | Callahan, Art of Hymn Playing, The | 150 | MorningStar | 2006 | Org | | | Hymn Acc |
| WAS FRAG ICH NACH DER WELT | Callahan, Art of Hymn Playing, The | 152 | MorningStar | 2006 | Org | | | Hymn Acc |
| WAS GOTT TUT | Callahan, Art of Hymn Playing, The | 153 | MorningStar | 2006 | Org | | | Hymn Acc |
| WAS GOTT TUT | Callahan, Art of Hymn Playing, The | 154 | MorningStar | 2006 | Org | | | Hymn Acc |
| WAS GOTT TUT | Callahan, Art of Hymn Playing, The | 155 | MorningStar | 2006 | Org | | | Hymn Acc |
| WATCHMAN | Callahan, Art of Hymn Playing, The | 156 | MorningStar | 2006 | Org | | | Hymn Acc |
| WEBB | Callahan, Art of Hymn Playing, The | 157 | MorningStar | 2006 | Org | | | Hymn Acc |
| WERDE MUNTER | Callahan, Communion Music for Manuals | 8 | MorningStar | 1994 | Org | | | |
| WERDE MUNTER | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 42 | MorningStar | 2008 | Org | Pno | | |
| WERE YOU THERE | Callahan, Art of Hymn Playing, The | 158 | MorningStar | 2006 | Org | | | Hymn Acc |
| WERE YOU THERE | Callahan, Lenten Music for Manuals | 6 | MorningStar | 1990 | Org | | | |
| WERE YOU THERE | Callahan, Lenten Suite, A | 7 | MorningStar | 1991 | Org | | | |
| WERE YOU THERE | Callahan, Lenten Triptych | 6 | Concordia | 1997 | Org | | | |
| WERE YOU THERE | Callahan, Spirituals for Keyboard | 12 | MorningStar | 1993 | Org | | | |
| WESTMINSTER ABBEY | Callahan, Art of Hymn Playing, The | 159 | MorningStar | 2006 | Org | | | Hymn Acc |
| WESTMINSTER ABBEY | Callahan, Partita on Westminster Abbey | | MorningStar | 2001 | Org | | | |
| WHEN JESUS WEPT | Callahan, Great American Hymns: Music for Manuals | 14 | MorningStar | 1993 | Org | | | |
| WHEN JESUS WEPT | Callahan, Six Meditations on American Folk Hymns | 16 | Concordia | 1992 | Org | | | |
| WHISPERING HOPE | Callahan, Gospel Prelude Collection | 40 | MorningStar | 2011 | Org | | | |
| WHOLE WORLD | Callahan, Spiritual Suite | 14 | MorningStar | 2011 | Org | | | |
| WIE SCHON LEUCHTET | Callahan, Epiphany Suite, An | | MorningStar | 1992 | Org | | | |
| WIE SCHON LEUCHTET (RHYTHMIC) | Callahan, Art of Hymn Playing, The | 160 | MorningStar | 2006 | Org | | | Hymn Acc |
| WIE SCHON LEUCHTET (RHYTHMIC) | Callahan, Epiphany Prelude for Flute and Organ, A | | MorningStar | 1992 | Org | | Instr | |
| WIE SCHON LEUCHTET (RHYTHMIC) | Callahan, Preludes for Flute and Organ: The Church Year and Other Occasions | 19 | MorningStar | 2002 | Org | | Instr | |
| WINCHESTER NEW | Callahan, Advent Music for Manuals, Set 2 | 8 | MorningStar | 1997 | Org | | | |
| WINCHESTER NEW | Callahan, Art of Hymn Playing, The | 161 | MorningStar | 2006 | Org | | | Hymn Acc |
| WINCHESTER NEW | Laudate!, Volume 2 | 24 | Concordia | 1995 | Org | | | |
| WINCHESTER OLD | Callahan, Art of Hymn Playing, The | 162 | MorningStar | 2006 | Org | | | Hymn Acc |
| WONDROUS LOVE | Callahan, American Folk Hymn Suite | 14 | Concordia | 2002 | | Pno | | |
| WONDROUS LOVE | Callahan, Great American Hymns: Music for Manuals | 12 | MorningStar | 1993 | Org | | | |
| WONDROUS LOVE | Callahan, In Communion: 40 Hymntune Meditations for Organ, Piano, or Keyboard | 46 | MorningStar | 2008 | Org | Pno | | |
| WONDROUS LOVE | Callahan, Six Meditations on American Folk Hymns | 18 | Concordia | 1992 | Org | | | |
| WONDROUS LOVE | Callahan, Variations on American Hymn Tunes for Keyboard | 30 | Concordia | 2012 | Org | | | |
| WONDROUS LOVE | Jubilate, Volume 1 | 38 | Concordia | 2003 | Org | | | |
| WUNDERBARER KONIG | Callahan, Art of Hymn Playing, The | 163 | MorningStar | 2006 | Org | | | Hymn Acc |
| YIGDAL | Callahan, Art of Hymn Playing, The | 68 | MorningStar | 2006 | Org | | | Hymn Acc |
| YORKSHIRE | Callahan, Christmas Music for Manuals | 8 | MorningStar | 1990 | Org | | | |
| YORKSHIRE | Callahan, Four Organ Pieces for Advent and Christmas | 18 | MorningStar | 2012 | Org | | | |
| ZEUCH MICH | Callahan, Reformation Variations, Easy-to-Play | 27 | Concordia | 2008 | Org | | | |
* or ** - Anthem