The David Bruce Dill Papers (1949-1982) consist of awards, certificates, and photographic prints related to David Bruce Dill's physiological research. The papers also contain publications of Dill's work with the Laboratory of Environmental Patho-Physiology as part of the Desert Research Institute in Boulder City, Nevada as well as publications of Dill's research published in physiology-related scientific journals. The photographs were gifts to Dill for his studies on heat, altitude, and fatigue and the certificates and awards commemorate his work in the field of sports medicine.

Flora Dungan Papers (1929-1974) contain high school and university records, certificates, newspaper clippings, press releases, notes, correspondence, and booklets about her life and political activism in Nevada. Also included are Legislative materials, an audio cassette tape, a copy of the Nevada Constitution, and an oil painting of Flora Dungan.

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.

The Harmon Family Photograph Collection contains black-and-white and color photographic prints, negatives, postcards, and slides of the Harmon family in Las Vegas and Boulder City, Nevada between approximately 1900 and 1983. Las Vegas photographs depict the Harmon family in their home, at a ranch, and at Las Vegas High School. Boulder City photographs include a wedding and a view of Black Canyon, Nevada. Lastly, the collection also includes photographs of the Harmon family with various people, including the Wengert family and Howard Cannon, at receptions, ceremonies, and posing in front of Las Vegas buildings.

The Harold Stocker Photographs depict Harold Stocker and his family from 1850 to 1980. Materials include photographs of Harold Stocker, his parents, his siblings, and his extended family. Materials also include photographs of Harold Stocker's business interests such as the Northern Club in Las Vegas, Nevada, the Nevada Silica Sand Company in Overton, Nevada, and the Chief Hotel Court on Fremont Street in Las Vegas, Nevada. The collection also contains photographs of Stocker participating in Republican Party events in Nevada.