File Newspaper clipping, Detroit Free Press, Apr.11, 1918 Online In: James B. Sibley papers, 1918-1919 » Papers » 1918-1919
File Letter from George R.J. (Windsor Castle) (April 1918) Online In: James B. Sibley papers, 1918-1919 » Papers » 1918-1919
File Machine Gun School certificate, Mar.6, 1919 Online In: James B. Sibley papers, 1918-1919 » Papers » 1918-1919
File Newspaper, no.19 "The American Sentinel" April 19, 1919 Online In: James B. Sibley papers, 1918-1919 » Papers » 1918-1919