Three letters from Hector Henderson [3 stamped envelopes], August 16, 1915; May 16, 1916; October 12, 1916, Box: 1, Folder: 8. 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/229328 Accessed May 05, 2024.