Cassette tapes, recorded interviews with Quentin Keynes and Dr. Geoffrey Edelsten, Box: 110, Carton: 3. 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/205605 Accessed July 26, 2024.