Former Owner
- Giuseppe Antonelli1
- Giuseppe Bruschetti1
- Guglielmo Libri Carucci dalla Sommaja1
- Hampton L. Carson1
- Harry Luke1
- Henri Schiller1
- Henry Middleton1
- Henry Stevens1
- Hoepli1
- Horace de Landau1
- House of Bentivoglio1
- House of Colonna1
- House of Rucellai1
- House of Sforza1
- Howard Lehman Goodhart1
- Howard Lesnick1
- Hôtel Drouot1
- J. Martini1
- J. Thomson1
- J.J. Middleton1