Ray (1894-1969) and Leonard (1888-1971) Grimshaw were brothers who served as mechanics during World War I. The collection contains correspondence, military documents, photographs, clippings, newspapers, a diary, and booklets primarily relating to the military service of Ray M. Grimshaw but also includes a small selection of correspondence from his brother, Leonard.

Carol (Nicholson) Lewis (1923-1987) joined the Women Airforce Service Pilots (WASPs) in 1943 and was assigned to Moore Air Base (Texas), Class 44-W-7. The collection includes official documents, photographs, correspondence, clippings, and ephemera related to Lewis' 1943-1945 WASP service. A small amount of correspondence and ephemera concerning her marriage is also included in the collection.