Former Owner
- Anne Churchill, Countess of Sunderland1
- Annie L. Wiggins1
- Antoine-Augustin Renouard1
- Antony Bek1
- Arnold Mettler1
- Bahman Mirza Qajar1
- Baldasarre Boncompagni1
- Baldassarre Boncompagni1
- Basilica Gößweinstein1
- Bertram Ashburnham, 4th Earl of Ashburnham1
- Brudenell family1
- Būtū ʻAbd al-Bāqī1
- Chapelle du monastère du Carmel de Nantes1
- Charles Bruce, 3rd Earl of Ailesbury1
- Charles Spencer, 3rd Duke of Marlborough1
- Charles Spencer, 3rd Earl of Sunderland1
- Charles William Dyson Perrins1
- Collège Saint-Clément1
- Coppo family1
- Cortlandt F. Bishop1