- Crusades1
- Crusades (Second) (1147-1149)1
- Dati, Agostino, 1420-14781
- Dati, Jacopo1
- Dati, Niccolò, 1458-1500 or 15011
- De interpretatione (Aristotle)1
- Death and burial of a person1
- Debt2
- Debt cancellation1
- Della Rovere, Giorgio1
- Dentelle bindings1
- Devices (Provenance)1
- Devotional literature3
- Devotional literature, Latin (Medieval and modern)1
- Di Bustanchis, Gerard1
- Di Coardis, Reynaldus1
- Di Siena, Petruccio1
- Dictionaries2
- Didactic literature, Latin1
- Didactic poetry, English (Middle)1