- Devotional exercises1
- Devotional literature, French1
- Devotional literature, German1
- Di Leone, Francesco1
- Di Leone, Giovanni1
- Didactic literature, German1
- Didactic poetry, Latin (Medieval and modern)1
- Diocletian, Emperor of Rome, 245-3131
- Dionysius, the Areopagite, Saint, active 1st century1
- Dispute resolution (Law)1
- Dissenters, Religious1
- Divination--Religious aspects1
- Domitian, Emperor of Rome, 51-961
- Dowry1
- Druzes1
- Dulaert, Johannes1
- Dutch poetry1
- Díaz, Manuel1
- Early maps1
- Earthquakes1