- Cueva y de Castilla, Beltrán III de la, Duke of Alburquerque, -16121
- Customs administration1
- Cyprian War (1570-1571)1
- Cyprus--Paphos (District)1
- Cáceres Gatica, Alonso de1
- De' Medici, Luigi, principe di Ottaviano, 1759-18301
- Debtor and creditor1
- Debts, External1
- Dentelle bindings1
- Devotio moderna1
- Devotional literature1
- Di Giovanni, Francesco1
- Dialogues (Literature)1
- Didactic literature, German1
- Digital images1
- Dioceses1
- Dionysius, the Areopagite, Saint, active 1st century1
- Diplomatic relations1
- Diplomats1
- Discoveries in geography--French1