Former Owner
- Gerard Meerman1
- Gertrude Lueneburg Carrier1
- Giacomo Eugenio De Levis1
- Giacomo Soranzo1
- Gilbert Talbot, 7th Earl of Shrewsbury1
- Giovanni Alessandro Brambilla1
- Giovanni Battista Niccolini1
- Giuseppe Martini5
- Gordon Adamson1
- Grosvenor, Richard1
- Guglielmo Libri Carucci dalla Sommaja2
- Guilielmus van Hamme2
- Guillemme Broullin1
- Gundulf1
- Hagop Kevorkian1
- Hans P. Kraus1
- Harry C. Koenig2
- Harry G. Friedman2
- Hastings family1
- Heinrich Neubronner1