"Bird Habitat on Missouri Prairies" by Robert M. Skinner, Thomas S. Baskett, and Michael D. Blenden, 1984, Box: 94, Folder: 26. 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/205332 Accessed November 28, 2024.