Edelsten, Dr. Geoffrey. Gould Family, 1991 - 1999, Box: 2, 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/204373 Accessed November 24, 2024.