Former Owner
- Baldassarre Boncompagni1
- Basilica of Sant'Ambrogio1
- Bertram Ashburnham, 4th Earl of Ashburnham1
- Biblioteca Bottigella1
- Birgittinessenklooster Mariënwater1
- Bākīr ibn Muṣṭafá Fūṭī1
- C. Bruscoli1
- Carlo Morbio1
- Charles Chardin1
- Charles Edward Harris-St. John1
- Charles G. Napier1
- Charles Joseph Harford1
- Charles Sessler1
- Charles William Dyson Perrins1
- Charles-Gilbert Morel de Vindé1
- Christopher Tschudin1
- Clarence Howard Clark, Sr.1
- Claude d'Urfé1
- Clement VII1
- Dame Margery Byrkenhed1