Former Owner
- Laurence Claiborne Witten II1
- Laurentius van der Torqel1
- Leigh Baker1
- Leo S. Olschki Editore1
- Libreria antiquaria Mediolanum1
- Libri, Edoardo, active 20th century1
- Loftus Bland1
- Louis II, Count of Flanders1
- Ludwig Rosenthal's Antiquariaat1
- Luigi Celotti1
- Léon Techener1
- Marcela Gabriela1
- Marie Cleophe de Sollario1
- Marie de Albano1
- Marie-Caroline of Bourbon-Two Sicilies, Duchess of Berry1
- Marino Grimani1
- Mariota Lyle1
- Matteo Barresi1
- Maxwell Sommerville1
- Mayfair Rare Books and Manuscripts1