Former Owner
- Jeanne de Goix1
- Jehan de Gaignières1
- Johan Meerman1
- Johann David Baier1
- Johannes Lethe1
- Johannes Wigg1
- John Bohn1
- John Butlar1
- John Church1
- John Hinely1
- John Leeche1
- John Patteson1
- John Thomas Beer1
- John William Harshberger1
- Joseph Barrois1
- Kloster Rebdorf1
- Leo Olschki1
- Lionel Tollemache, 4th Earl of Dysart1
- Llanthony Priory1
- Louis N. Cassett1