| The Lotus Pond | Abdel-Rahim/Lesnick (arr) |
| O Holy Night | Adam/Frackenpohl (arr) |
| Studies, Volumes 24, 1, and 21 | Abeersold, Jamey |
| Warm-Up and Daily Regimen (revised) | Abelson, Dennis R. |
| Forty Christmas Carols (in 2 vol.) | Abernathy, Don A. (arr) |
| Concerto | Actor, Lee |
| The Holy City | Adams/Vanryne (arr) |
| Passacaglia | Adler-McKean, Jack |
| Circus Etudes | Agrell, Jeffrey |
| Duet Kopprasch, Vol. I | Agrell, Jeffrey |
| Fantasia | Agrell, Jeffrey |
| Improvised Chamber Music: Spontaeous Chamber Music Games for Four (or Three or Five) Players | Agrell, Jeffrey |
| Improv Duets for Classical Musicians: A Concise Collection of Musical Games for Two Players | Agrell, Jeffrey |
| Lullaby and Fanfare | Agrell, Jeffrey |
| Ostinato Suite | Agrell, Jeffrey |
| Ostinato Suite | Agrell, Jeffrey |
| Preparatory Kopprasch Horn Etudes | Agrell, Jeffrey |
| Grand Concerto | Agthe, G.F. |
| Tango from España | Albeniz/Holcolme (arr) |
| Adagio | Albinoni/Orval (arr) |
| Colonel Bogey March | Alford/Martinet (arr) |
| On the Quarterdeck | Alford/Martinet (arr) |
| The Vanished Army | Alford/Martinet (arr) |
| Low Range Studies | Allen, Eric |
| Success in All Keys | Allen, Eric |
| Funf Intermezzi, op. 40 | Allers, Hans-Gunther |
| Trio, op. 27 | Allers, Hans-Gunther |
| Belle Province, “Rimouski” | Ameller, André |
| Rep Decks – Orchestral Series: Horn Edition | Amis, Kenneth |
| 3 Quatuors, op. 109 | Amon, Adreas |
| Trois Quatuors concertants, op. 109 | Amon, Adreas |
| Zwei Jägerlieder, op. 103 | Amon, Adreas |
| Blues and Variations for Monk | Amram, David |
| Born for Horn, Hornensemble | Angerer, Hansjörg |
| Born for Horn, Horn und Klavier (2 vol) | Angerer, Hansjörg |
| Horn Quartet | Angerer, Paul |
| Quartetto No. 1 and No. 2 | Anonymous |
| Solo para Trompa y Cuerdas | Anonymous/Bonet (ed) |
| Trio Clasico No. 1 | Anonymous/Bonet (ed) |
| Maria Mundi Comina | Anonymous/Cechal & Pizka (ed) |
| O Maria, Mundi Domina | Anonymous/Janetzky (ed) |
| Concerto a Cornu | Anonymous (Karlsruhe) |
| Concerto a Cornu prinzipale | Anonymous (Karlsruhe) |
| Der Hornblaeser Polka | Anonymous/Martinet (arr) |
| Noëls, vol. 1 & 2 | Anonymous/Petit & Delerue (arr) |
| Tsmindao Chmerto and Tshkenosnuri | Anonymous/Risher (arr) |
| Divertimento a 4 Corni da Caccia | Anonymous/Tarr (arr) |
| Sonata a 4 Corni da Caccia | Anonymous/Tarr (arr) |
| Le cornet polka | Arban/Vanryne (arr) |
| Ding Don Merrily on High | Arbeau/Civil (arr) |
English (UK) 
Nederlands (nl-NL) 
中文(繁體．台灣) 
Español (España)