The David Brown World War II Collection is a very small collection comprised of World War II-era aviation ephemera, dated 1941-1945, collected by David Brown. The collection includes a "God is My Co-Pilot" promotional booklet, four pieces of WWII-era sheet music, an October 1945 United States Army Air Forces Fair leaflet, and a "Parade of Aircraft" souvenir booklet from the Wright Field Air Fair, Dayton, Ohio, October 1945.

Walter A. Smith, Jr. served in the United States Air Force for over 30 years and was an active member of the P-47 Pilots Association. The collection contains materials relating to Walter Smith's Air Force career and World War I-era music collected by his wife, Flossie Smith.