- Contemplation1
- Contemporary bindings1
- Cornell University1
- Corsini, Bartolomeo1
- Cortesi, Girolamo1
- Cosimo II, Grand Duke of Tuscany, 1590-16211
- Cosimo III, Grand-Duke of Tuscany, 1642-17231
- Cosmography1
- Cosmology1
- Costapellegrina, Giovan Andrea1
- Courts and courtiers1
- Criminal law1
- Criticism, interpretation, etc.1
- Cueva y de Castilla, Beltrán III de la, Duke of Alburquerque, -16121
- Cults1
- Cyprian War (1570-1571)1
- Cyprus1
- Cyprus--Paphos (District)1
- Dante Alighieri, 1265-13211
- Dates (Provenance)1