Keynes, Quentin - Interview [by Gordon C. Sauer], 1993-03-04, Box: 101, Folder: 46. 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/205471 Accessed February 17, 2025.