Former Owner
- Henry Young and Sons1
- Herbert Reichner1
- Heribert Tenschert1
- Hermann Marx1
- Herschel V. Jones1
- Homer D. Crotty1
- Horst-Joachim Unverfähr1
- House of Bentivoglio1
- House of Colonna1
- House of Rucellai1
- House of Sforza1
- Howard Mayer Brown1
- Hudson Gurney1
- Hugh Daubeney1
- Hugh Roberts1
- Irene Ludwig1
- Irvine Masson1
- Isaac ha-Rofe ben Moses ibn Elezar1
- Ismāʻīl ibn al-Ḥājj ʻĪsá Jurayj al-Muhannā1
- J. A. Dortmond1