- Dayrūṭī, Muḥammad ibn Aḥmad, -1515 or 1516. Dimyāṭīyah1
- De interpretatione (Aristotle)1
- De motu animalium (Aristotle)1
- De mundo (Aristotle)1
- Deadly sins1
- Death1
- Dervishes1
- Detti, Giovanni Baptista1
- Devices (Heraldry)1
- Devices (Provenance)1
- Devotio moderna1
- Devotional literature, Italian1
- Devotional literature, Sanskrit1
- Di Giovanni, Francesco1
- Dialogues1
- Didactic literature, German1
- Dioceses1
- Dionysius, the Areopagite, Saint, active 1st century1
- Diplomats1
- Discoveries in geography--French1