| ID | Title  | Author | Language | Number of records | Number of melodies |
|---|---|---|---|---|---|
| 19 | Cum gaudio concurrite | Anonymous | Latin | 2 | 1 |
| 208 | Cum ens primum dignatum | Anonymous | Latin | 0 | 0 |
| 263 | Culmen honoris | Anonymous | Latin | 1 | 1 |
| 430 | Crucifixum - Surgens mortis - Cum rex - Salve festa - Also heylich | Anonymous | Latin-German | 1 | 1 |
| 743 | Crebro da mihi basia | Anonymous | Latin | 0 | 0 |
| 322 | Creator omnium rerum | Anonymous | Latin | 0 | 0 |
| 22 | Cosmi caligo pellitur Cozmi caligo pellitur | Anonymous | Latin | 1 | 1 |
| 106 | Corpus Christi cum sanguine Corpus Cristi cum sangwine | Anonymous | Latin | 2 | 1 |
| 34 | Constat aethereis Constat ethereis | Anonymous | Latin | 2 | 1 |
| 458 | Consolatrix gubernatrix | Anonymous | Latin | 0 | 0 |
| 207 | Consolator gubernator | Anonymous | Latin | 1 | 1 |
| 929 | Congaudemus pariter - En lux | Anonymous | Latin | 1 | 1 |
| 365 | Conditor alme siderum ab alto Conditor alme syderum ab alto | Anonymous | Latin | 1 | 0 |
| 288 | Concinat plebs christicolarum | Anonymous | Latin | 0 | 0 |
| 178 | Collaudemus matrem domini | Anonymous | Latin | 2 | 1 |
| 768 | Collaudemus collaudemus Christum regem | Anonymous | Latin | 0 | 1 |
| 557 | Co tu stojíte | Anonymous | Czech | 1 | 0 |
| 206 | Clementia pax baiula Clemencia pax baiula | Anonymous | Latin | 0 | 0 |
| 556 | Cierkev svatá | Anonymous | Czech | 0 | 0 |
| 567 | Chvalmež boha vždy dobrého | Anonymous | Czech | 0 | 1 |
