Former Owner
- Karl Hermann Berendt1
- Karva, Lakṣmaṇabhaṭṭa1
- Katharinenkirche, Nuremberg1
- Katholieke Universiteit te Leuven Universiteitsbibliotheek1
- Khiste, B.N1
- Khouri, Elias Alexander1
- Kloster Rebdorf1
- Kṛṣṇānanda Āgamavāgīśa Bhaṭṭācārya1
- L. Paganthus1
- Lambach Abbey1
- Lancino Curti1
- Laura Hurd Motion1
- Leigh Baker1
- Leo Olschki1
- Leonard S. Unger1
- Leonardus Martinotius1
- Leopold Gruber1
- Leslie, John (c. 1840), bookseller1
- Lew David Feldman1
- Librairie Tross1