Former Owner
- Marco da Bologna1
- Marie-François Duchesne de Beaumanoir1
- Marion H. Gottfried1
- Martin of Aragon1
- Mary W. T. Dickinson1
- Matteo Luigi Canonici1
- 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
- Nathaniel Dunbar1
- New York Academy of Medicine1
- Newman F. McGirr1
- Ochsenhausen Abbey1
- Ohio State University Center for Epigraphical and Palaeographical Studies1
- On inside front cover: "Graf v. Villers von Burges<?>, 1817" in ink; "London [Lauden?] 21535x" in pencil; "Douanes Paris Exposition" on a faded round pink sticker. "Memorandum from the Johnson Library" note inside book.1