Former Owner
- Grolier Club1
- Guilberto Broulin1
- Guilelmus Laing1
- Guillemette Bezard1
- Gustav Wolf1
- Habert du Berry d'Artois family1
- Harold Drayton1
- Harrison Wright1
- Harry C. Koenig1
- Heinrich Eisemann1
- Helen Miller Shepard1
- Helge Frank3
- Hellmut Albert Feisenberger1
- Henri Bordes1
- Henri Lambert1
- Henri-Jacques-François Busnel1
- Henry Danby Seymour1
- Henry Harvey Frost2
- Henry Huth2
- Henry John Peachey, 3rd Baron Selsey1