Holding Institution
- Fordham University16
- New York University13
- Wellesley College13
- Saint Louis University12
- Bryn Mawr College11
- Rutgers University11
- The Nelson-Atkins Museum of Art11
- University of Rochester11
- Grolier Club9
- Buffalo & Erie County Public Library7
- Princeton University7
- Smith College7
- Conception Abbey and Seminary6
- General Theological Seminary5
- California State Library3
- University of California, Davis3
- University of Wisconsin–Madison3
- Pepperdine University2
- Providence Public Library2
- University of Dayton2