Stott Explorers Library, Martin Osa Johnson, Safari Museum [newsletters], 1995 - 1999, Box: 105, Folder: 9-11. 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/205544 Accessed July 26, 2024.