Title
- Carmen saeculare1
- Carmina1
- Carta pisana1
- Carthusian rule1
- Cato maior de senectute1
- Choir psalter1
- Chronici canones1
- Civil law1
- Clementine Constitutions1
- Comediae1
- Comedies1
- Commentary on Aristotle1
- Commentary on Luke1
- Commentary on Martial1
- Commentary on Psalms1
- Commentary on Sentences1
- Commentary on Virgil1
- Compendium logicae1
- Compendium theologicae veritatis1
- Consolation of Philosophy1