The Thalia Dondero Political Papers (1934-2003), contain correspondence, pamphlets and reports used by Dondero to conduct official business, as well as information on county and city budgets, social and health services, liquor and gaming, planning, public works, environmental impact reports and a large section on water management. Dondero served as a Clark County Commissioner for twenty years and engaged in numerous other civic and political activities. The bulk of the materials are derived from Dondero's last four years in office, 1990-1994, but a few items from Dondero's earlier career are included.

The Renee Diamond Papers date from 1972 to 2000 and consist primarily of political and professional materials including reports, correspondence, publications, newsletters, and planning documents collected by Diamond throughout her career. Diamond supported the feminist movement as a member of the National Organization for Women and held leadership roles in the Democratic party in Las Vegas, Nevada. The collection also documents Diamond’s campaigns for the Nevada State Assembly and includes material from her one term in the legislature.

The Robert Beckmann Professional Papers (approximately 1964-2020) include photographs, sketches, plans, and proposals for murals and art installations that Beckmann designed or painted in the Las Vegas, Nevada area. The collection also includes correspondence, awards, and promotional materials for art exhibitions featuring Beckmann and other artists.

The James Cashman Sr. Photograph Collection (approximately 1905 to 1975) consists of black-and-white photographic prints, negatives, slides, and albums as well as a glass plate negative. The photographs depict four major subjects: Cashman's family, friends, and associates; Cashman's businesses; the Hoover Dam and Colorado River; and various locations across Nevada.

The George Laurence Ullom Photograph Collection (1915-1974) contains photographic prints and negatives created by Las Vegas, Nevada photographer George Laurence "Larry" Ullom. Larry owned and operated Ullom’s Desert Art Studio, which was located in Las Vegas, Nevada. The bulk of the collection consists of Ullom's wedding chapel photography. The collection also includes his photography work for the Bureau of Reclamation, the Agricultural Extension Service, and the Associated Press, Atlantic News, and Acme news bureaus.

The Walking Box Ranch Collection (1917-2011) includes material collected by the University of Nevada, Las Vegas (UNLV) Public Lands Institute on the Searchlight, Nevada ranch. Materials include a maps related to the construction and operation of the ranch, a pair of chaps owned by Rex Bell, Jr., and color slides of the ranch. Also included are photographic prints of Rex Bell and Rex Bell, Jr., and newsclippings related to the film and political career of Rex Bell. A small number of newsclippings pertain to the career of Rex Bell, Jr.

The Senator Chic Hecht Political Papers (1943-1988) contain the political papers of United States Senator and Las Vegas, Nevada businessman Chic Hecht. The bulk of the collection contains legislation, notes, correspondence between Hecht and constituents and other members of Congress, and speeches from Senator Hecht's term in the Senate from 1982 to 1988. Also included are files on civil service, the federal budget, education, labor, transportation, land management, foreign policy, public health, and trade.