- Crusades (Second) (1147-1149)1
- Cueva y de Castilla, Beltrán III de la, Duke of Alburquerque, -16121
- Customs administration1
- Cynics (Greek philosophy)1
- Czech Republic--Brno1
- Dal Borgo family1
- Dati, Agostino, 1420-14781
- Dati, Jacopo1
- Dati, Niccolò, 1458-1500 or 15011
- Davanzati, Niccolò1
- De bello Gallico (Caesar, Julius)1
- Debt cancellation1
- Debts, External1
- Decedents' estates1
- Deerskin bindings1
- Del Carretto family1
- Del Torto, Andrea1
- Delci, Aldobrando1
- Delci, Niccolò1
- Della Casa, Filippo1