"Covers" for copies of letters sent by Ann Datta and staff to me [Gordon C. Sauer], Box: 18, Folder: 27-30. 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/204644 Accessed July 26, 2024.