- Dulaert, Johannes1
- Durandus, of Saint-Pourçain, Bishop of Meaux, approximately 1275-13341
- Dutch (culture or style)1
- Dyes and dyeing1
- Dynamics1
- Ecclesiastical geography1
- Eclipses1
- Education, Medieval1
- Edward IV, King of England, 1442-14831
- Egypt--Cairo1
- Egypt--Mount Sinai1
- Election law (Canon law)1
- Elections1
- Elizabeth I, Queen of England, 1533-16031
- Emblems1
- Encheiridion harmonikēs (Nicomachus, of Gerasa)1
- End of the world1
- England--Cheshire1
- England--Drayton (Oxfordshire)1
- England--East Sussex1