- Dominicans--Italy1
- Domitian, Emperor of Rome, 51-961
- Dowry (Roman law)1
- Drycthelm, monk of Northumbria, active 7th century1
- Dye houses1
- Dyers1
- Dyes and dyeing--Wool1
- Dynamics1
- Earthquakes1
- Earthquakes--Religious aspects1
- Eder, Georg, 1524-15871
- Education, Greek1
- Egypt--Alexandria1
- Electors (Kurfürsten)1
- Elegiac poetry, Latin (Medieval and modern)1
- Elements (Euclid)1
- Eleonora, di Toledo, Duchess, consort of Cosimo I, Grand-Duke of Tuscany, 1522-15621
- Elijah (Biblical prophet)1
- Elul1
- Encheiridion harmonikēs (Nicomachus, of Gerasa)1