| Composer | Work Title | Call Number | |
|---|
 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 8 | |
| Abelard, Peter | |
 Adam of St. Victor | |
| Sequence: Laudes crucis attollamus | |
| Templum cordis (from Magnus Liber Organi) | |
| Adamo, Mark | |
| Adams, John | |
| Adam, de la Halle | |
| Adler, Richard | |
| Adler, Samuel | |
| Alfonzo X, King of Castile and Leon | |
| Alven, Hugo | |
| American Folk Song | |
| Andriessen, Louis | |
| Anon | |
| Anon (Dunstable?) | |
| Anonymous | |
| Anon. | |
| Anthonello, de Caserta | |
| Apollinaire | |
| Arcadelt, Jacob | |
| Armstrong, Louis | |
| Attaingnant, Pierre | |