(1) Folio - Century - Himalaya MTNS ["A Century of Birds from the Himalaya Mountains"], Box: 16, Folder: 38-40. 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/205869 Accessed November 24, 2024.