- Clusius, Carolus, 1526-16091
- Colombino, Giorgio di1
- Colonies--Administration1
- Commercial correspondence, Hebrew1
- Complaint letters1
- Copyists1
- Cosimo I, Grand-Duke of Tuscany, 1519-15741
- Cotton trade1
- Courts and courtiers1
- Dialogues1
- Diplomatic documents1
- Education1
- Efraim ben Shemarya, approximately 980-approximately 10601
- Eleonora, di Toledo, Duchess, consort of Cosimo I, Grand-Duke of Tuscany, 1522-15621
- Elizabeth I, Queen of England, 1533-16031
- England1
- Europe1
- Evangelistic work1
- Felici, Christofore1
- Ferdinand V, King of Spain, 1452-15161