Former Owner
- Librairie Damascène Morgand1
- Libreria antiquaria Mediolanum1
- Libreria la Bibliofila1
- Liechtenstein State Library1
- Lionardo di Paolo Adimari1
- Lionel Tollemache, 4th Earl of Dysart1
- Lisa Unger Baskin1
- Little family1
- Llanthony Priory1
- Loftus Bland1
- Lorenzo de Olivera1
- Louis Herbert Gray1
- Louis XII of France1
- Ludovico Settala1
- Luigi Clerici1
- Luigi Cora1
- Luigi Serra di Cassano1
- Luis Mayora1
- Luther Albertus Brewer1
- Lyon Cathedral1