Former Owner
- Laurence Kirby1
- Laurence William Hodson1
- Laurent Campagne1
- LeMare1
- Legoué1
- Leicester Harmsworth1
- Lepeletier de Rosanbo1
- Librairie Damascène Morgand1
- Library of the Dominicans of Paris1
- Linda Ehrsam Voigts1
- Lisa Norris Elkins1
- Long Island Historical Society, Maine1
- Louis II, Count of Flanders1
- Louis XII of France1
- Louis XIV of France1
- Louis d'Aumont de Rochebaron1
- Louis d'Harcourt1
- Lucien Gougy1
- Luigi Arrigoni1
- Lundell Library1