Former Owner
- Gordon A. Block Junior2
- Gotha Research Library1
- Grabhorn Press1
- Great St. Martin Church1
- Grenville Kane1
- Grigorij Sergeevič Stroganov1
- Groenendael Priory1
- Grolier Club1
- Grosvenor, Richard1
- Gudrun Wandel62
- Guglielmo Libri Carucci dalla Sommaja22
- Guilberto Broulin1
- Guilelmus Laing1
- Guillaume Budé1
- Guillemette Bezard1
- Guillemme Broullin1
- Gundulf1
- Gusztáv Emich1
- H. Bayle1
- H. Charles Barnston1