Tanner, Barry Susan Woodward [married couple interested in the Ellis Archives and Gould, acquaintances of Dr. Sauer], Box: 105, Folder: 20. 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/205548 Accessed July 26, 2024.