- Devotional calendars1
- Devotional calendars--Catholic Church1
- Devotional literature, Latin (Medieval and modern)1
- Diagnosis1
- Dialogues (Literature)1
- Dialogues, Greek1
- Diced leather bindings1
- Dictators as authors1
- Dictionaries1
- Didactic poetry, Latin1
- Dion, approximately 408 B.C.-354 B.C.1
- Dionysius, the Areopagite, Saint, active 1st century1
- Directories1
- Diseases1
- Divine Office (Music)1
- Dodoens, Rembert, 1517-15851
- Dominical letters1
- Domitian, Emperor of Rome, 51-961
- Dowry (Roman law)1
- Drycthelm, monk of Northumbria, active 7th century1