Former Owner
- Julius Heinrich Jeidels1
- Kartause Erfurt1
- Lambach Abbey1
- Lane Theological Seminary2
- Laurence Kirby1
- Laurence William Hodson2
- Leo Olschki1
- Leonard Baskin1
- Leopold Gruber1
- Lisa Unger Baskin1
- Llewelyn Lloyd-Mostyn, 3rd Baron Mostyn of Mostyn1
- Lorenzo Antonio da Ponte1
- Lorenzo de Olivera1
- Louis Charles Karpinski1
- Louis César de La Baume Le Blanc1
- Louis H. Silver12
- Louis Lucien Bonaparte1
- Lucrezio Palladio degli Olivi1
- Luigi Clerici1
- Luis Mayora1