Booklet, "Silhouettes d'Avions: Allies et Ennemis," May 1918. Illustrated guide to Allied and enemy aircraft, written in French. Wilbur D. Kennedy's name, rank, and squadron are written on front cover.
Book, "Manual of interior guard duty, U.S. Army, 1914," corrected to February 24, 1915. Includes handwritten notes made by Wilbur D. Kennedy detailing the stations he served at and dates.
Book, "Infantry drill regulations, United States Army, 1911," produced by the Government Printing Office, corrected to April 15, 1917.
Stamped on inside cover: "Supply Office, 12th Aero Squadron, S. C. Headquarters, 12th Aero Squadron, S. C."