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 Thomas Clark Professional Papers (1950-1998) contain materials from his tenure as a Professor of English at the University of Nevada, Las Vegas (UNLV), which are divided into two series. The gaming research series includes newspaper clippings, correspondence, brochures, bulletins and articles. Also included are book chapters, a glossary of terms used in the casino industry, and gambling guides. In the linguistics and teaching series there are research files, articles, speeches, correspondence, interviews, multimedia, workshops, and conference materials. Also included are files on graffiti, symbolism, ethnic and regional speech differences, language usage, and National Council of Teachers of English (NCTE) material. Additional materials include colleague publications and cassette tapes of interviews from students in courses Clark taught at UNLV.

The Robert E. Robinson Legislative Papers are comprised of materials relating to Robert Robinson’s career in the Nevada State Legislature as an assemblyman and senator from 1970 to 1986. The papers include correspondence, assembly bill research, bill proposals, roll calls, and materials from assembly committee meetings. The collection also contains Robinson’s campaign materials, including financial disclosures, press releases, advertisements, and correspondence with voters.

The K. O. Knudson Photographs (approximately 1920-1969) depict the Las Vegas Grammar School and service, fraternal, and veterans organizations gathered by retired Las Vegas, Nevada school administrator and World War I veteran K. O. Knudson (also known as K. Oscar Knudson). The collection includes images of Knudson, Las Vegas Masonic Lodge members, American Legion members, and school dances. The photographs primarily feature Las Vegas, Nevada.

The Nevada Consolidated Copper Company Records (approximately 1907-1978) contain the business records of the company, including correspondence, freight bills, ledgers, maps, leaching data, and books relating to mining. The majority of the records post-date the company's name change to Kennecott Mining Company.