Former Owner
- Edward Alexander Parsons6
- Giuseppe Martini6
- Luigi Celotti6
- Maggs Bros Ltd6
- Otto Ege6
- Adolph Sutro5
- Lathrop C. Harper, Inc.5
- Lawrence J. Schoenberg5
- Thomas FitzRoy Phillipps Fenwick5
- William H. Crain5
- Henry Charles Lea4
- Hermann Suchier4
- Katherine Somerset Wyttenbach Fenwick4
- Thomas F. Richardson4
- Charles Stephen Ascherson3
- Francis Campbell Macauley3
- Gabriel Wells3
- Joost Ritman3
- Judith Lady Montefiore College3
- Phillip J. Pirages Fine Books & Manuscripts3