Typescript copies of Gould Correspondence, [1836, 1837, 1838, 1839, 1840, 1842], Box: 1, Folder: 6. 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/204287 Accessed November 24, 2024.