- Copyists1
- Corbinelli, Bernardo1
- Corbinelli, Girolamo1
- Corbinelli, Pandolfo1
- Cornelio, Giovanni1
- Cornerpieces (Furniture)1
- Corpus juris civilis1
- Correspondence1
- Correspondence (Cyprian, Saint, Bishop of Carthage)1
- Corsino, Pietro di1
- Cosimo II, Grand Duke of Tuscany, 1590-16211
- Cosimo III, Grand-Duke of Tuscany, 1642-17231
- Costapellegrina, Giovan Andrea1
- Council of Pisa--(2nd : 1511-1512)1
- Covoni, Luigi de1
- Cristofano, Filippo di1
- Criticism, Textual1
- Crusades (Fifth) (1218-1221)1
- Cueva y de Castilla, Beltrán III de la, Duke of Alburquerque, -16121
- Customs administration1