| ID | Title  | Author | Language | Number of records | Number of melodies |
|---|---|---|---|---|---|
| 260 | Aaron virga iam floruit | Anonymous | Latin | 0 | 1 |
| 870 | Ab aethere lumen claret Ab ethere lumen claret | Anonymous | Latin | 0 | 1 |
| 911 | Ab arce siderea | Anonymous | Latin | 0 | 2 |
| 404 | Ab archanis oritur | Anonymous | Latin | 0 | 1 |
| 327 | Ach homo perpende fragilis | Anonymous | Latin | 1 | 1 |
| 328 | Ach saeculi vana gloria | Anonymous | Latin | 0 | 0 |
| 676 | Ad cantum laetitiae | Anonymous | Latin | 0 | 0 |
| 722 | Ad cultum tuae laudis Ad cultum tue laudis | Johannes Decanus | Latin | 0 | 1 |
| 446 | Ad honorem et decorem almae Ludmillae Ad honorem et decorem alme Ludmille | Anonymous | Latin | 0 | 1 |
| 445 | Ad honorem et decorem almae matris Ad honorem et decorem alme matris | Anonymous | Latin | 1 | 1 |
| 197 | Ad honorem et decorem matris dei | Anonymous | Latin | 0 | 0 |
| 54 | Ad honorem et decorem matris domini | Anonymous | Latin | 6 | 1 |
| 261 | Ad honorem infantuli | Anonymous | Latin | 0 | 0 |
| 362 | Ad honorem sempiterni regis | Anonymous | Latin | 0 | 0 |
| 110 | Ad huius templi gloriam | Anonymous | Latin | 3 | 0 |
| 89 | Ad te mens consurgat rei | Anonymous | Latin | 0 | 0 |
| 37 | Ad terrorem omnium | Anonymous | Latin | 1 | 0 |
| 440 | Adest dies celebris Adest dies celebris | Anonymous | Latin | 1 | 0 |
| 279 | Aetas orbi venit aurea | Anonymous | Latin | 0 | 0 |
| 689 | Alathia canit quia | Anonymous | Latin | 0 | 0 |
