- 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
- Dal Borgo family1
- Dante Alighieri, 1265-13211
- Davanzati, Niccolò1
- De consolatione philosophiae (Boethius)1
- Death1
- Death--Religious aspects--Catholic Church1
- Debt cancellation1
- Decedents' estates1
- Decorated edges1
- Del Carretto family1
- Del Torto, Andrea1
- Della Rovere, Giorgio1
- Detrini, Bartolomeo1