- Autographs1
- Botanists1
- Botany1
- Botany, Medical1
- Catholic Church. Archdiocese of Salzburg (Austria)1
- Charles V, Holy Roman Emperor, 1500-15581
- Clusius, Carolus, 1526-16091
- Commercial correspondence, Hebrew1
- Cosimo I, Grand-Duke of Tuscany, 1519-15741
- Della Rovere, Francesco Maria, duca d'Urbino, 1548-16311
- Diplomacy1
- Diplomats1
- Dodoens, Rembert, 1517-15851
- Eleonora, di Toledo, Duchess, consort of Cosimo I, Grand-Duke of Tuscany, 1522-15621
- Elizabeth I, Queen of England, 1533-16031
- Europe1
- Europe--Salzburg (Ecclesiastical principality)1
- Francesco I, Grand-Duke of Tuscany, 1541-15871
- Great Britain1
- Hebrew letters1