Gould book index, section 5, copy 2 ["John Gould the Bird Man: a Chronology and Bibliography"], 1982, Box: 43, Folder: 41-45. 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/206083 Accessed January 13, 2025.