Former Owner
- Jan Six VII1
- Jayarāmācārya1
- Jean Felix Dénie1
- Jean Jules Olinger1
- Jean de Goix1
- Jeanne de Goix1
- Jehan de Gaignières1
- Joannes Angelus de Crema1
- Johan Meerman1
- Johann David Baier1
- Johann Heinrich von Speyr-Passavant1
- Johannes Lethe1
- Johannes Wigg1
- John Bohn1
- John Butlar1
- John C. Jackson1
- John Camp Williams1
- John Church1
- John Fenn1
- John Hinely1