- Dati, Agostino, 1420-14781
- Dati, Jacopo1
- Dati, Niccolò, 1458-1500 or 15011
- De interpretatione (Aristotle)1
- Death and burial of a person1
- Debt cancellation1
- Della Rovere, Giorgio1
- Dentelle bindings1
- Devices (Provenance)1
- Devotional literature, Latin (Medieval and modern)1
- Di Bustanchis, Gerard1
- Di Coardis, Reynaldus1
- Di Siena, Petruccio1
- Didactic literature, Latin1
- Didactic poetry, English (Middle)1
- Dion, approximately 408 B.C.-354 B.C.1
- Dionysius, the Areopagite, Saint, active 1st century1
- Domus Misericordie (Siena, Italy)1
- Drama1
- Dupin, Jean, 1302-13721