Former Owner
- Gagārāma1
- Gail Fischmann28
- Galeazzo Maria Sforza2
- Garcia de Loaysa Giron1
- Garegnano Charterhouse2
- Garibell Smythley1
- Garsten Abbey1
- Gascoigne baronets1
- Gaspard Joseph de Servais2
- Gasser, Rudolf von, Freiherr, -1911?1
- Gaston Ruddoff1
- Gayot de la Rejasse1
- Gaṅgārāma1
- Gaṅgārāma Bhaṭṭa1
- Gaṇeśabhaṭṭa5
- General Bookbinding Company of Chesterland, OH1
- General Theological Seminary1
- Geoffroy de Pompadour1
- Georg Eduard Steitz1
- Georg Kloss4