Former Owner
- Gladys Freeman1
- Guglielmo Libri Carucci dalla Sommaja1
- H. P. Kraus (firm)1
- Hans Lill1
- Henry Brudenell-Bruce, 5th Marquess of Ailesbury1
- Henry Percy, 9th Earl of Northumberland1
- Henry Spelman1
- Henry Stevens1
- Henry Wyndham, 2nd Baron Leconfield1
- Henry Yates Thompson1
- Herbert Reichner1
- Hoepli1
- Hudson Gurney1
- Hugh Daubeney1
- Huskan-ordi (Monastery in Muradiye, Turkey)1
- Jacques Rosenthal1
- James F. Drake1
- James Halliwell-Phillipps1
- James Lyell1
- Jean de Meyer1