Former Owner
- Henry Ellis Allen1
- Henry George Bohn1
- Henry Grey, 1st Duke of Kent1
- Henry Huth1
- Henry John Peachey, 3rd Baron Selsey1
- Henry Newham Davis1
- Henry William Poor1
- Henry Young and Sons1
- Hermann Marx1
- Hodgson & Co.1
- House of Colonna1
- House of Liechtenstein1
- House of Neville1
- Howard Lesnick1
- Howel Wills1
- Howell Wills1
- Isabel de Bellusseau1
- Isabelle de Lévis1
- J. & J. Leighton1
- J. M. C. Armbruster (Firm)1