To Charline P. Morgan from Nathan J. Hale (3 letters), June 5 1914, June 25 1914, November 16 1914, Box: 9, Folder: 60. Personal Papers of Rose Ruth Morgan and Family, PP 567. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/206930 Accessed September 18, 2024.