Former Owner
- Jacques Rosenthal2
- James F. Drake1
- James H. Stewart1
- James K. Moffitt3
- James Tanis1
- James Tregaskis2
- Jay Gould1
- Jesuit College of San Bartolomeo1
- Joachim Guerrinus de Montefegatesio1
- Joannes Angelus de Crema1
- Johan Gröf1
- Johan Meerman1
- Johann Heinrich van Ess1
- Johann Heinrich von Speyr-Passavant1
- Johannes Baptista Siccus1
- Johannes Betrus Ravenoldus1
- John Bolton1
- John Boyd Thacher I1
- John C. Jackson1
- John Carter1