Former Owner
- Norman H. Strouse1
- Ohio State University Center for Epigraphical and Palaeographical Studies1
- Ohio State University School of Music1
- Oliver Henry Perkins1
- Otto Ege3
- Petrus Giraud1
- Phillip J. Pirages Fine Books & Manuscripts1
- R. F. Pain1
- Renzo Rizzi libri antichi1
- Robert Hoe III9
- Robert Lehman2
- San Jacopo di Ripoli1
- San Sisto, Piacenza1
- Sarah Dauphinais1
- Schenck'sche Fide-Kommiss-Bibliothek1
- Sydney Cockerell2
- Thomas F. Richardson1
- Thomas Payne7
- Thomas Phillipps2
- Tongerlo Abbey1