Former Owner
- Jérôme Bignon1
- Lathrop C. Harper, Inc.1
- 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
- Mariota Lyle1
- Matteo Barresi1
- Mayfair Rare Books and Manuscripts1
- Middle Hill Rare Books & Manuscripts AB (Stockholm, Sweden)1