Former Owner
- Jehan de Gaignières1
- Jesuit College of San Bartolomeo1
- Joachim Guerrinus de Montefegatesio3
- Joannes Angelus de Crema1
- Joannes Hainricus Ebron zu Wildenberg1
- Joannes Salzperg1
- Joaquín García Icazbalceta3
- Joaquín Gómez de la Cortina1
- Johan Laborya de Mossach1
- Johan Meerman1
- Johann David Baier1
- Johann Egolph1
- Johann Heinrich van Ess9
- Johann Heinrich von Speyr-Passavant1
- Johann Michael Schiller1
- Johann von Firmian1
- Johannes Lethe1
- Johannes Wesbach1
- Johannes Wigg1
- John Alexander Stewart1