The Rancho High School Class of 1962 Collection (1956-2017) consists of materials donated by students of Rancho High School in Las Vegas, Nevada. The collection contains school event clippings, newspaper clippings, scrapbooks, pamphlets, physical and digital photographs, and school jackets and sweaters. Additionally, the collection chronicles the lives of many students after graduation through school reunion documentation from the 1970s to 2017. The collection also includes planning files for class reunion celebrations including the 40th, 50th, and 55th reunions.

The Corbin Harney Nevada Test Site Protest Photograph Albums (1995-1997) are comprised of three photograph albums documenting the life and spiritual, environmental, and political activism work of Corbin Harney, elder and spiritual leader of the Newe ("the People") Western Shoshoni Indians. The majority of the photographs are focused on the anti-nuclear protest demonstrations by the Shundahai Network at the Nevada Test Site during the 1990s.

The Morton "Mort" Saiger Portraits and News Articles (1960-1987) consists of four newspaper and journal articles about Saiger and the Last Frontier Hotel Casino, two professional photographic portraits of Saiger, and a presentation plaque from the International Golf Club.

The Southern Nevada Historical Society Records document the management and development of the Southern Nevada Historical Society (SNHS) as well as various historical projects in Las Vegas and Southern Nevada that the society sponsored from 1948 to 1983. The records include SNHS correspondence (1951-1978), meeting minutes (1958-1983), and accounting information (1959-1980). It also contains copies of the SNHS Backtrails Newsletter, promotional material for events, membership lists, and research materials for various projects related to the history of southern Nevada and Las Vegas.