Holding Institution
- Saint Louis University8
- New York University7
- Western Michigan University5
- Williams College5
- General Theological Seminary4
- The Nelson-Atkins Museum of Art4
- Bryn Mawr College3
- New York Academy of Medicine3
- Rochester Institute of Technology3
- Rutgers University3
- University of California, Davis3
- University of Dayton3
- California State Library2
- Grolier Club2
- Lehigh University2
- Smith College2
- Buffalo & Erie County Public Library1
- Conception Abbey and Seminary1
- Newberry Library & Western Michigan University1
- Science History Institute1