"John Gould the Bird Man: Correspondence, Volume I with a Chronology of his Life and Works", edited and compiled by Gordon C. Sauer, with the assistance of Ann Datta, manuscript, 1996-12 - 1997-01, Box: 38, Folder: 47-52. 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/206040 Accessed November 28, 2024.