Former Owner
- George Robert White1
- George Rowland Holt Wilson1
- George Venables-Vernon, 5th Baron Vernon1
- George W. Fitzwilliam1
- Georges d'Amboise1
- Georgius Ruch1
- Gerard Meerman1
- Germanus Langen1
- Giacobbe Marcaria1
- Giovan Pietro Arrivabene1
- Giovanni Battista Giovio1
- Giovanni Battista Rota1
- Giovanni Dominico Fabbris1
- Giovanni Perissinotti1
- Giovanni Sforza1
- Giuseppe Martini4
- Giusto Venier1
- Gladbach Abbey1
- Gonthaut-Saint-Blanchard family1
- Gotha Research Library1