Former Owner
- Joseph Pope1
- Klaus Dieter Dahmen1
- Laurence Kirby1
- Laurentius van der Torqel1
- Louis Charles Elson1
- Louis H. Silver1
- Lucien Graux1
- Luigi Serra di Cassano1
- Lyon Cathedral1
- Mademoiselle de Malberghe1
- Maggs Bros Ltd1
- Margaret of Croy1
- Mark Lansburgh1
- Marvin-L. Colker1
- Mary Bloch1
- Mary Schell Collins1
- Michel de Léon1
- Mirmellus Arnandi1
- Morton Davis Mitchell1
- Muriel Agnes Fry1