The William Geagley Collection on Nuclear Safety contains government publications, memoranda, and pamphlets about counteracting nuclear contamination of food supplies from 1951 to 1960. The materials primarily document Geagley’s oversight of the development of food safety contingency plans for the Michigan Department of Agriculture. The materials also contain information relating to the Nevada Test Site’s plans for Operation Plumbbob, atmospheric and underground nuclear tests held in 1957 in Nevada.

The Hughes Electronics Corporation Records (1935-2021) contain the files and publications of the corporate communications department and records donated by Robert K. Roney, a leading engineer at Hughes. These records document the growth of the company in Southern California, from building experimental aircraft for Howard Hughes, to developing and manufacturing radar and guided missile systems for the United States military and NATO forces, to developing and manufacturing communication satellites and space probes for NASA, and becoming the largest manufacturer of communication satellites and provider of satellite TV. The collection contains press releases, executive biographies, executive speeches, annual reports, corporate directories, organizational charts, correspondence files, technical reports and notes, promotional materials, as well as articles and publications detailing the history of the company. The collection also includes audiovisual materials and photographs. The audiovisual series details the history of the company through news footage and documentaries about Howard Hughes, aviation, corporate mergers, interviews with executives and promotional videos.