Former Owner
- Marion H. Gottfried1
- Martin of Aragon1
- Marvin-L. Colker1
- Mary W. T. Dickinson1
- Matteo Luigi Canonici1
- Mayer Sulzberger1
- Meschatin La Faye family1
- Michael Greenberg1
- Mirmellus Arnandi1
- Monasterio de El Paular1
- Monastery of Saint Peter (Erfurt, Germany)1
- Moor of Ireton1
- Mount Zion Abbey1
- Mrs. F. W. Bartlett1
- Muḥammad Ṣābir1
- Muṣṭafá Shāh ʻAlāʼī1
- Nathaniel Dunbar1
- Newman F. McGirr1
- Ochsenhausen Abbey1
- Ohio State University Center for Epigraphical and Palaeographical Studies1