Former Owner
- Johann Heinrich van Ess1
- John C. Jackson1
- John Roland Abbey1
- John Ruskin1
- John William Harshberger1
- Joseph François René de Kergariou1
- Lathrop Colgate Harper1
- Laurence Kirby1
- Laurentius van der Torqel1
- Louis Charles Elson1
- Louis H. Silver1
- Luigi Serra di Cassano1
- Lyon Cathedral1
- Maggs Bros Ltd1
- Margaret of Croy1
- Mark Lansburgh1
- Mary Schell Collins1
- Mary Talbot, Countess of Shrewsbury1
- Michel de Léon1
- Moissac Abbey1