The Claudine Williams Papers (1956-2009) contain awards, contracts, personal and business correspondence, newspaper clippings, and photographs pertaining to Las Vegas, Nevada businesswoman and philanthropist, Claudine Williams. The collection also includes extensive information on her hotel and gaming properties, including the Silver Slipper Gambling Hall, Holiday Casino, and Harrah's Hotel and Casino, as well as her honorary doctoral degree, medals, and audiovisual materials of interviews, news reports, and events.

The Lorelle Nelson Collection on Atomic Testing is comprised of newspaper clippings, magazine and journal articles, correspondence, press releases, fact sheets, fliers, informational handouts and booklets, and newsletters from approximately 1980 to 2009 concerning nuclear weapons testing at the Nevada Test Site, throughout the United States, and internationally. The collection includes information about anti-nuclear groups, committees, and associations, as well as information on the effects of radiation, nuclear fallout, lawsuits and court cases, events and protests, conferences, and local news coverage.

The Donna Andress Papers (1890-2021) contain the personal papers of Donna Andress, a longtime resident and activist in Southern Nevada. Materials include correspondence and newspaper clippings from the Nevada Welfare Committee, on which Andress served as chairperson during the 1970s, in addition to pamphlets and newsletters from various Nevada historical organizations and committees. The papers reflect her involvement with community organizations throughout Southern Nevada.