- Devices (Heraldry)1
- Devotion to the Blessed Virgin Mary1
- Devotional calendars3
- Devotional calendars--Catholic Church5
- Devotional literature31
- Devotional literature, English (Middle)1
- Devotional literature, Latin (Medieval and modern)9
- Devotional poetry, Arabic1
- Dhimmis (Islamic law)1
- Dialogues2
- Dialogues (Literature)2
- Dialogues, Spanish1
- Diaries1
- Dictionaries16
- Didactic literature, English (Middle)1
- Didactic literature, Latin (Medieval and modern)2
- Didactic poetry, English (Middle)4
- Diet1
- Diggele, Robert, active 1364-13741
- Dion, approximately 408 B.C.-354 B.C.1