Former Owner
- Luini, Pacifico (Franciscan priest), active 19th century1
- Lyon Cathedral1
- M. Haimmiller1
- Margaret Anna Hazard1
- Mario Maffei1
- Mary Schell Collins1
- Matteo Barresi1
- Melk Abbey1
- Michel Chasles1
- Michel de Léon1
- Monasterio de El Paular1
- Nicolas Fowle1
- Oliver Henry Perkins1
- Oswald Carl Friedrich von Seilern und Aspang1
- Otto Ege1
- Otto Orren Fisher1
- Otto Vollbehr1
- Pangracius Chrewczer1
- Paolo Gallo1
- Paul Grinke1