The subject files and photographs series of the Hughes Electronics Corporation Records date from 1935-2003. This series contains subject files on the company history, some of its major technological developments, and its purchase by General Motors. Photographs in this series document Hughes developed technologies in use by NATO forces, development of the Galileo probe, the H-1 Racer, and communication satellites. Also in this series are files and photographs of the NASA Pioneer 10/Jupiter encounter.
The Yount Family Papers (1976) document the history of the Yount family. The collection is comprised of a letter from Leonard Fayle to John L. Yount and a brief handwritten history about the Yount family. Also included is a transcript of an interview with an unknown Yount family member. .