Former Owner
- John Taylor1
- John Thomas Beer1
- Joseph Anton Koch1
- José Fernando Ramírez1
- Julius de Cardelinis1
- Kaikhusroo Minocher Jamaspasa1
- Karl Hermann Berendt1
- Kartause Erfurt1
- Khammāsh, Aḥmad1
- Khouri, Elias Alexander1
- King Lawrence Parker1
- Kloster Bredelar1
- Kāle, Gālambhaṭṭa1
- Kāle, Janārdana1
- Lambach Abbey1
- Lancino Curti1
- Lathrop C. Harper, Inc.1
- Leigh Baker1
- Leo Olschki1
- Leopold Gruber1