Title
- Commentary on the Ephemerides1
- Commentary on the Old Testament1
- Commentary on the Samarqandīyah1
- Commentary on Īsāghūjī1
- Commission1
- Commonplace book1
- Compendio delle istorie di Pisa1
- Compendium iuris canonici1
- Compendium moralitatum1
- Compendium of Vratas1
- Compendium of biblical topics1
- Compendium religiosi vivendi1
- Complementum in partem III summae S. Thomae de Aquino1
- Compositione1
- Confession1
- Confessional1
- Confirmation1
- Confutatio libelli Philippi Melanchtonis cuius titulus est De officio principum1
- Coniecturarum liber1
- Consilium1