Mock-up for "John Gould's Prospectus and Lists of Subscribers to His Works on Natural History: With an 1866 Facsimile" [Gordon C. Sauer], Box: 18, Folder: 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/204253 Accessed July 26, 2024.