Three letters and one postcard from Hector Henderson [2 postmarked envelopes, 1 postmarked postcard], July 13, 1918; July 24, 1918; July 29, 1918; August 18, 1918, Box: 1, Folder: 19. Hector C. Henderson's letters to Mae Josephine Gillette, MS 311. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/229339 Accessed May 06, 2024.