Former Owner
- 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
- John Leeche1
- John Patteson1
- John Sotheby1
- John Thomas Beer1
- John William Harshberger1
- Joseph Henry Allen1