| ID | Title  | Author | Language | Number of records | Number of melodies |
|---|---|---|---|---|---|
| 729 | Ave coelestis regina | Anonymous | Latin | 0 | 0 |
| 284 | Ave celsi conditoris | Anonymous | Latin | 0 | 1 |
| 283 | Ave candens thronus | Anonymous | Latin | 0 | 0 |
| 313 | Ave benedicta Maria | Anonymous | Latin | 6 | 2 |
| 198 | Auroram lucis visitat Gabriel | Anonymous | Latin | 0 | 1 |
| 282 | Aureum orbis saeculum | Anonymous | Latin | 0 | 0 |
| 84 | Audi tellus | Anonymous | Latin | 4 | 1 |
| 754 | Audi nos o virgo vera | Anonymous | Latin | 0 | 0 |
| 725 | Audi mundi domina | Anonymous | Latin | 0 | 0 |
| 172 | Ascensus reginae Ascensus regine | Anonymous | Latin | 1 | 0 |
| 262 | Ascendit Christus hodie | Anonymous | Latin | 0 | 2 |
| 872 | Arida virgo mices | Anonymous | Latin | 0 | 1 |
| 756 | Archangelus immensus mundi Dominus | Anonymous | Latin | 0 | 0 |
| 905 | Anno milleno | Anonymous | Czech | 1 | 1 |
| 710 | Anni sunt primitiae | Anonymous | Latin | 0 | 0 |
| 716 | Anni novi novitas | Anonymous | Latin | 0 | 1 |
| 939 | Anjelé radost jměli - Eja panna počala - Nyní všickni | Anonymous | Czech | 0 | 1 |
| 81 | Angelus ad virginem subintrans | Anonymous | Latin | 2 | 0 |
| 119 | Angelus ad virginem Christi destinatur Angelus ad virginem Cristi destinatur | Anonymous | Latin | 5 | 1 |
| 431 | Angelica Christi turma | Anonymous | Latin | 1 | 0 |
