Abstract Herman Butler, originally of Belleville, Washington, served as a pilot during World War I and after with the U.S.A. School of Aerial Photography at Langley Field. The collection contains materials relating to the Butler's wartime and postwar service.

Abstract Hamilton "Ham" Coolidge (1895-1918) was one of many young men from wealthy New England families who enlisted during World War I. The collection contains materials related to Captain Coolidge's service a pilot with the U.S. Army Air Service 94th Aero Squadron. Coolidge achieved Ace status, was awarded the Distinguished Service Cross, and was killed in action.

Abstract Wilbur D. Kennedy, 1893-1943, was born in Cedar Rapids, Iowa and served as a pilot in the 12th Aero Squadron during World War I. Collection contains photographs, correspondence, military records, and other assorted materials relating to his World War I service.

Abstract The Irwin Bryan Meyers Photograph Album is comprised of a photograph album and accompanying typescript document relating to Meyers' service as an airplane mechanic and the activities of the 88th Aero Squadron during and after World War I.

Abstract Sidney Van Wyck Peters of Seattle, Washington served with the U.S. Army Air Service, 24th Aero Squadron during World War I. The collection contains a scrapbook album containing photographs and paper ephemera related to his service overseas.

Abstract The collection contains a World War I era scrapbook photograph album assembled by Edward I. Sproull (1897-1956) while in training at Ohio State University and subsequently serving as a pilot with the A.E.F. and the American Squadron of the French Military Air Force in France.