Keynes, Quentin. Narrative by Quentin Keynes - Darwin book robbery [interviewed by Gordon C. Sauer], 1994-03-02, Box: 102, Folder: 3-4. 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/205475 Accessed June 17, 2024.