A Report of the New Jersey State Museum, 1966-07-01 - 1969-06-30, Box: 103, Folder: 24. 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/205511 Accessed June 17, 2024.