Former Owner
- Nicholas Herry1
- Nicolas Fowle1
- Nicolas Rauch1
- Nicolas Yemeniz1
- Nonnberg Abbey1
- Northwich Library1
- Notre-Dame de Macourt monastery1
- Notre-Dame monastery (Ambert, France)1
- Novalesa Abbey1
- O. A. Bump1
- Ohio State University Center for Epigraphical and Palaeographical Studies1
- Ohio State University School of Music1
- Oliver R. Barrett1
- Omaha Public Library1
- 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
- Orlandus de Fatiis1
- Oswald Carl Friedrich von Seilern und Aspang1
- Otto Haas1
- Otto Vollbehr1
- P. J. De Mat1