Former Owner
- Khouri, Elias Alexander1
- Kloster Rebdorf1
- Kṛṣṇānanda Āgamavāgīśa Bhaṭṭācārya1
- L. Paganthus1
- Lambach Abbey1
- Lancino Curti1
- Laura Hurd Motion1
- Leigh Baker1
- Leo Olschki1
- Leonardus Martinotius1
- Leopold Gruber1
- Lew David Feldman1
- Librairie Tross1
- Lionardo di Paolo Adimari1
- Lohanī, Viṣṇudatta1
- Lorenzo Antonio da Ponte1
- Louis Charles Karpinski1
- Louis César de La Baume Le Blanc1
- Louis Herbert Gray1
- Louis-Jean-Nicolas Monmerqué1