Former Owner
- Great St. Martin Church1
- Grigorij Sergeevič Stroganov1
- Grolier Club1
- Guilberto Broulin1
- Guilelmus Laing1
- Guillemette Bezard1
- Gundulf1
- Gusztáv Emich1
- H. Charles Barnston1
- Habert du Berry d'Artois family1
- Hamilton Cole1
- Hans Albrecht von Derschau1
- Hans P. Kraus1
- Harold Drayton1
- Harrison Wright1
- Harry G. Friedman1
- Hautecombe Abbey1
- Heinrich Eisemann1
- Heinrich Jantsch1
- Hellmut Albert Feisenberger1