Former Owner
- George P. Bickford1
- Gerard Wallop, 9th Earl of Portsmouth1
- Giovanni Alessandro Brambilla1
- Girolamo d'Adda1
- Giuseppe Bruschetti1
- Guglielmo Libri Carucci dalla Sommaja1
- Hagop Kevorkian Fund1
- Harry G. Friedman1
- Heeramaneck, N.N1
- Henri Lambert1
- Henry Probasco1
- Herbert M. Allen1
- Heribert Tenschert1
- Hermann Suchier1
- Hilel ben Asher Ḥananel Levi1
- House of Rucellai1
- Howard Lehman Goodhart1
- Ibrahim Sultan1
- Ibrāhīm al-Shakūrī1
- J. Martini1