Former Owner
- John Rolls, 1st Baron Llangattock1
- John William Harshberger1
- Juan Burgueño1
- Julian Burgueño1
- Justin MacCarthy Reagh1
- Lathrop Colgate Harper8
- Lawrence J. Schoenberg7
- Luigi Clerici1
- Luis Fernández de Córdoba y Aragón1
- Lyon Cathedral1
- M. Favia del Core1
- Maria Ludovica Favia del Core Borromeo1
- Mary Schell Collins1
- Matthaeus Lupin1
- Melchior Daniel Neubronner1
- Michel de Léon1
- Milt Freudenheim1
- Monteles, Yosef de1
- Muḥammad Jaʻfar1
- Nathan Brown2