Postcard (bearing insignia of the 357th Division) with salient dates of Key's European duty, Folder: 1, item: 2. Diary of Thomas C. Key, musician, 357th Infantry Band, American Expeditionary Forces, RH MS B75. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/375172 Accessed May 04, 2024.