Iredale, Tom ["The Life and Work of Tom Iredale (1880-1972)" by Gilbert P. Whitley], Box: 21, Folder: 28. 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/204746 Accessed September 07, 2024.