Former Owner
- Lucien Delamarre1
- Lucien Graux1
- Lucien Magne1
- Lucrezio Palladio degli Olivi1
- Luigi Clerici1
- Luigi Serra di Cassano1
- Luini, Pacifico (Franciscan priest), active 19th century1
- Luis Mayora1
- Luis Ordoñez1
- Luther Albertus Brewer1
- Lutheran Theological Seminary at Philadelphia1
- Lycée Louis-le-Grand1
- Lyon Cathedral1
- Léon Gruel1
- Léon Techener1
- L’Art Ancien1
- M. De La Tour1
- M. Favia del Core1
- M. Haimmiller1
- M. Lee1