Hermann Collitz papers, 3H-Collitz, Box: 1; oversize: 2. Bryn Mawr College.
Hermann Collitz papers, 3H-Collitz, Box: 1; oversize: 2. Bryn Mawr College. https://archives.tricolib.brynmawr.edu//repositories/6/resources/9125 Accessed November 27, 2024.