"All Species of Birds Painted or Described by John James Audubon" by Susanne M. Low, 1995-04, Box: 93, Folder: 35. 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/205316 Accessed July 26, 2024.