Former Owner
- Marie Cleophe de Sollario1
- Marie de Albano1
- Marienstiftsgymnasium1
- Mary Augusta Strachey1
- Mary Lusher1
- Matthew Donadski1
- Maximilian Henry of Bavaria1
- Menno Hertzberger1
- Michael Greenberg1
- Mortimer Frank1
- Mr. Hals1
- N. Pauli1
- Nicolaus Pol1
- Norman H. Strouse1
- Oettingen-Wallerstein library1
- Oswald Carl Friedrich von Seilern und Aspang1
- Otto Jahn1
- Paland, Irmengarde von1
- Paolino Gianfilippi1
- Paul Gottschalk1