Lambourne, Maureen, Lionel, children, 1981 - 1990, Box: 5, Folder: 16-25. 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/204459 Accessed May 27, 2024.