Holding Institution
- Williams College32
- Western Michigan University27
- Indiana University Bloomington24
- The Nelson-Atkins Museum of Art24
- Rutgers University23
- Lehigh University22
- University of Rochester21
- Fordham University17
- Saint Louis University17
- University of California, Davis15
- Vassar College14
- Buffalo & Erie County Public Library13
- University of Wisconsin–Madison13
- Grolier Club12
- General Theological Seminary9
- Conception Abbey and Seminary7
- New York Academy of Medicine7
- Jewish Theological Seminary of America5
- Science History Institute5
- Smith College5