Former Owner
- Collège Saint-Clément1
- Cologne Charterhouse1
- Coppo family1
- Cortlandt F. Bishop1
- E. M. Sowter1
- Eleanor of Mohun1
- Emilio Loredo y Trelles1
- Enluminures1
- Erhard Weyhe1
- Gabriel Wells1
- George Arthur Plimpton1
- George D. Smith1
- George Dunn1
- Giampietro Campana1
- Gilhofer & Ranschburg. Lucerne, Suisse1
- Gladys Freeman1
- Henry Brudenell-Bruce, 5th Marquess of Ailesbury1
- Henry Percy, 9th Earl of Northumberland1
- Henry Wyndham, 2nd Baron Leconfield1
- Henry Yates Thompson1