Former Owner
- Julie de Busnel1
- Julien Peridier1
- Julius Heinrich Jeidels1
- Jérôme Pichon1
- Karen L. Gould10
- Keith Jarvis2
- Lane Theological Seminary1
- Lathrop Colgate Harper2
- Laurence Claiborne Witten II2
- Laurence Kirby1
- Laurence William Hodson1
- Laurent Campagne1
- Lawrence J. Schoenberg6
- LeMare1
- Legoué1
- Leicester Harmsworth1
- Leo Olschki1
- Leo S. Olschki Editore2
- Lepeletier de Rosanbo1
- Lewis L. Gould7