"Kansas History: A Journal of the Central Plains". Vol. 19, No. 2, Summer 1996, Box: 101, Folder: 31. 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/205463 Accessed June 17, 2024.