Former Owner
- Lathrop C. Harper, Inc.1
- Lisa Kiser1
- Lutheran Theological Seminary at Philadelphia1
- Maggs Bros Ltd2
- Margaret of Croy1
- Margareta van der Dycke1
- Margaretha van Cleyburg1
- Mary W. T. Dickinson1
- Messieurs Du Trieu2
- Minnis, Katherine1
- Mortimer Frank1
- Neuman-Walter1
- Oliver Henry Perkins2
- Otto Ege4
- Otto Schäfer1
- Park Abbey1
- Paul Louis Feiss1
- Peter Eaton1
- Phillip J. Pirages Fine Books & Manuscripts1
- Pieter Bondam1