Former Owner
- Fulvio Tridi1
- G. Sumner1
- Garibell Smythley1
- George Robert White1
- George Rowland Holt Wilson1
- George Venables-Vernon, 5th Baron Vernon1
- Georges d'Amboise1
- Georgius Ruch1
- Gerard Meerman1
- Germanus Langen1
- Giovan Pietro Arrivabene1
- Giovanni Battista Giovio1
- Giovanni Dominico Fabbris1
- Giovanni Perissinotti1
- Giovanni Sforza1
- Giuseppe Martini1
- Giusto Venier1
- Gladbach Abbey1
- Gotha Research Library1
- Gusztáv Emich1