Former Owner
- Leo S. Olschki Editore1
- Leonard Baskin1
- Leonello d'Este, Marquis of Ferrara1
- Leonhardus Cuntius1
- Levi, David, active 19th century1
- Lisa Unger Baskin1
- Little family1
- London School of Jewish Studies1
- Lorenzo Berdute1
- Louis César de La Baume Le Blanc1
- Louis H. Silver2
- Louis Hercule Timoléon de Cossé-Brissac1
- Louis Lamm1
- Louis XII of France1
- Louis de Gruuthuse2
- Ludovico Settala1
- Luigi Celotti4
- Luis Escobet1
- Luis Fernández de Córdoba y Aragón1
- Lundell Library1