Former Owner
- Kherḍe, Kṛṣṇa Bhaṭṭa1
- Khiste, B.N1
- Khouri, Elias Alexander1
- King Lawrence Parker1
- Kloster Bredelar1
- Kloster Rebdorf1
- Kāle, Gālambhaṭṭa1
- Kāle, Janārdana1
- Kṛṣṇānanda Āgamavāgīśa Bhaṭṭācārya1
- L. Paganthus1
- Lambach Abbey1
- Lancino Curti1
- Lathrop C. Harper, Inc.2
- Laura Hurd Motion1
- Laurence Harman King-Harman1
- Lawrence J. Schoenberg47
- Leigh Baker1
- Leo Olschki1
- Leo S. Olschki Editore1
- Leonardus Martinotius1