Box contents and index of the Ellis Archives at the Kenneth Spencer Research Library, The University of Kansas [compiled by Gordon C. Sauer], 1975, Box: 107, Folder: 1-3. Sauer's Gouldiana Research about John Gould and other papers, MS 304. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/205587 Accessed June 02, 2024.