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 Doris Hancock Papers (1895-1987) consist of school memorabilia, correspondence, sketches, two scrapbooks, and material from her involvement in the Las Vegas Art League. Also included are materials about Southern Nevada and surrounding areas, particularly mining towns, Colorado River, Boulder Dam, Red Rock Canyon, early Las Vegas, and Death Valley.

The William Thompson Collection on International Gaming dates from 1928 to 2016. The collection materials relate to gaming in the British Isles, Europe, South America, Central America, the Caribbean, and North America. The collection contains travel brochures, memorabilia, research notes for William Thompson’s published works, reports on gaming statistics, and photographs and slides from his research trips. Materials also include Thompson's personal collection of gaming industry specific magazines, law review journals, and books with Thompson's personal annotations.

Navy Mothers' Club, Las Vegas, Nevada Records (1946-1979) contain scrapbooks, photographs, artifacts, by-laws, newspaper clippings, directories, and song books.

The Harvey's Limited Edition Plates Collection (1970-1979) contains four pewter plates that depict four Las Vegas, Nevada historical sites: the Union Pacific Depot; City Hall in 1935; Clark County Courthouse in 1914; and Fourth Street School in 1910.

The Sierra Club Toiyabe Chapter Records (1951 to 2021) are composed of files from Sierra Club officers and environmental activists in the Southern Nevada (formerly Las Vegas) Group of the Toiyabe Chapter. The collection documents the involvement of the Southern Nevada group in a variety of environmental concerns, such as air quality, transportation, urbanization, and nuclear issues, in which the chapter has expressed interest. The records are comprised of correspondence, memoranda, meeting minutes and agendas, newspapers, magazines, newsletters, pamphlets, press releases, legislation, recommendations, resolutions, and general information. Due to the group’s location in the heart of the Mojave Desert, the collection provides excellent case studies of significant changes in the post-World War II American environmental movement, notably the increased recognition of the worth of desert lands.

The Charles J. Hirsch Papers (1952-1987) contain gaming reports and net-recovery percentages from the Golden Nugget Casino from 1952 to 1967, the Sands Hotel and Casino in 1965 and 1975, the Landmark Hotel and Casino in 1975 to 1976, and the New Frontier Hotel and Casino in 1973 to 1975. Also included are American Society for Quality Control (ASQC) conference materials, speeches given by Hirsch, correspondence, photographs, newspaper clippings, and surveys.