The Gilbert Buck Papers (1930-1986) focus on Buck's work as a surveyor and real estate broker in southern and central Nevada. Included are master reports, designs, standards, flood and drainage reports, and land specifications on water, sewer, and public lands. Papers regarding real estate include reports, housing and mobile home development plans, newsletters, surveys, and Buck Realty negotiations. There are books and information on seminars Gilbert Buck hosted in Las Vegas, Nevada on investing in raw land. Also included are awards, correspondence, newsletters, a scrapbook of Buck's early life, and information on his campaign for governor of the state of Nevada in 1974. There is include some documentation of Buck's real estate and mining interests in South America.

The Human Radiation Experiments Records (1949-1995) contain reports from the National Environmental Policy Act (NEPA), the Advisory Committee on Human Radiation Experiments (ACHRE), and the U. S. Department of Energy (DOE). Also included are newspaper clippings, a court case brought by the National Association of Radiation Survivors (NARS), and cancer research papers. With the goal of building an atomic bomb using plutonium extracted from uranium, the material also examines the outcomes of radiation exposure done on humans during the late 1940s and early 1950s at the Oak Ridge Nuclear Facility in Tennessee.

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 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 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.