- Autographs1
- Correspondence1
- Cosimo I, Grand-Duke of Tuscany, 1519-15741
- Eleonora, di Toledo, Duchess, consort of Cosimo I, Grand-Duke of Tuscany, 1522-15621
- Francesco I, Grand-Duke of Tuscany, 1541-15871
- History1
- Italy--Ferrara1
- Italy--Tuscany1
- Manuscripts, Italian1
- Sixteenth century1
- Sources1
- correspondence1