Former Owner
- Louis Charles Elson11
- 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
- Michael Krupp1
- Michel de Léon1
- Milt Freudenheim1
- Monteles, Yosef de1
- Muḥammad Jaʻfar1
- Nathan Brown2
- Oliver Henry Perkins4
- Otto Ege2
- Otto Orren Fisher1
- Otto Schäfer1
- P. Desq1