Former Owner
- Kenneth Hyde1
- Kherḍe, Gaṇeśa Bhaṭṭa1
- Kherḍe, Kṛṣṇa Bhaṭṭa1
- King Lawrence Parker1
- Kloster Bredelar1
- Konrad von Maurer1
- Kāle, Gālambhaṭṭa1
- Kāle, Janārdana1
- Lady Frances Bentinck1
- Lathrop Colgate Harper2
- Laurence Claiborne Witten II1
- Laurence Harman King-Harman1
- Lawrence J. Schoenberg34
- Leo Olschki2
- Leo S. Olschki Editore1
- Leonard Baskin1
- Leonello d'Este, Marquis of Ferrara1
- Leonhardus Cuntius1
- Levi, David, active 19th century1
- Lisa Unger Baskin1