Three letters from Hector Henderson [3 postmarked envelopes], March 16, 1918; April 19, 1918; April 29, 1918, Box: 1, Folder: 16. 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/229336 Accessed May 06, 2024.