The William J. Moore Jr. Photograph Collection (approximately 1942-1960) consists of black-and-white photographic prints, negatives, and one oversize image depicting William "Bill" J. Moore Jr.'s career as a casino operator in Las Vegas, Nevada. Images include events at the Moore family home and the Hotel Last Frontier. Also included are images of Moore with politicians, casino operators, and other notable figures in Las Vegas.

The Gue Gim Wah Papers (approximately 1940-1985) consist primarily of incoming correspondence (largely written in Chinese) to Gue Gim Wah at the Prince Mine in Pioche, Nevada. Also included are Wah's naturalization certificate, a map of the Prince Mine Bunkhouse, brochure of the Lincoln County Civic Association, and a small amount of photographs including a black-and-white photograph of Gue Gim circa 1940s.

The Betty Henderson Professional Papers (1963-1985) are comprised of materials produced by Betty Henderson in her capacity as a private music teacher in Las Vegas, Nevada and as a member of the Nevada Music Teachers Association (NMTA). The collection includes scrapbooks of concert programs and NMTA events, materials from Henderson's experiences in Europe as a People-to-People ambassador with the Music Teachers National Association, and recordings on reel-to-reel tapes of concerts Henderson performed in or judged.