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 Sandstone Ranch Collection is comprised of bank statements, letters, correspondence, and photographs relating to the Wilson family from 1907 to 1941. The collection includes information about the financial aspect of the Wilson Ranch, later renamed the Sandstone Ranch, located outside of Las Vegas, Nevada. The collection also includes information about the personal lives of those working on the including contracts about grazing cattle, selling cattle, and appropriation of water.