Former Owner
- George Herbert, 4th Earl of Powis1
- George Parker, 2nd Earl of Macclesfield1
- Georgius Ruch1
- Giacobbe Marcaria1
- Giacomo Soranzo1
- Giannalisa Feltrinelli1
- Gilhofer & Ranschburg. Lucerne, Suisse1
- Giovan Pietro Arrivabene1
- Giovanni Alessandro Brambilla1
- Goodspeed's Book Shop1
- Grigorij Sergeevič Stroganov1
- H. Charles Barnston1
- Hagop Kevorkian Fund1
- Harrison Wright1
- Harry C. Koenig1
- Helge Frank1
- Henry Drury1
- Henry Harvey Frost1
- Henry Janeway Hardenbergh1
- Henry Maxwell, 7th Baron Farnham1