Former Owner
- Harimiśra1
- Helmut Beck1
- Hermann Suchier1
- Hudson Gurney1
- Ismāʻīl ibn al-Ḥājj ʻĪsá Jurayj al-Muhannā1
- J. & J. Leighton1
- James Henthorn Todd1
- James Lyell1
- Jayarāmācārya1
- Johann Heinrich van Ess1
- Johann Heinrich von Speyr-Passavant1
- John D. Stanitz1
- John Patteson1
- John Thomas Beer1
- Josiah H. Benton1
- Judith Lady Montefiore College1
- Kloster Rebdorf1
- Kāle, Gālambhaṭṭa1
- Kāle, Janārdana1
- London School of Jewish Studies1