Title
- Catalogus ingenuorum iuvenum1
- Causae juridicae1
- Chant book1
- Charter1
- Chrestomathy1
- Chrestomathy of Latin authors1
- Chronicle of Naples1
- Chronicle of the Doges of Venice1
- Circa instans1
- Claim1
- Collectanea opusculorum eruditorum et historicorum1
- Commentarius in Claudii Ptolemaei Harmonica1
- Commentary on Aristotle's Physics1
- Commentary on Cicero1
- Commentary on Ezekiel1
- Commentary on Porphyry1
- Commentary on Sentences1
- Commentary on the Ephemerides1
- Common book1
- Commonplace book1