Former Owner
- José Antonio Conde1
- Karen L. Gould2
- Kloster Rebdorf1
- Lane Theological Seminary1
- Lathrop C. Harper, Inc.1
- Laurence William Hodson2
- Lawrence J. Schoenberg3
- Leicester Harmsworth1
- Lewis L. Gould2
- Lisa Kiser3
- Louis Lucien Bonaparte1
- Luigi Celotti1
- Léon Gruel1
- M. Pierre Guarin1
- Maggs Bros Ltd2
- Mannheimer Hofbibliothek1
- Marie-François Duchesne de Beaumanoir2
- Martin Schøyen2
- Marvin-L. Colker2
- Mary Bloch1