Mockup for speaking event poster: "The Correspondence of John Gould the Bird Man (1804-1881)," The Natural History Museum, London, Gordon Sauer, Kansas City, Missouri, Box: 6, Folder: 5. 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/204167 Accessed May 19, 2024.