The Nevada Desert Experience Records (1951-2009) are comprised of files from the anti-nuclear organization, the Nevada Desert Experience (NDE), as well as its predecessor, the Sagebrush Alliance, and those of earlier unincorporated protests at the Nevada Test Site (NTS). Materials include board of directors meeting minutes, financial records, scrapbooks, personnel records, event speeches, correspondence, newspaper clippings, cartoons and other artwork, newsletters, brochures, fliers, research files on nuclear issues and other anti-nuclear organizations, and congressional testimony. The records also contain audiovisual materials, photographic prints and slides, screenplays, manuscripts, and newspapers related to the NDE's media efforts.

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.