The Elmo and Charlotte Ellsworth Papers (1948-1977) are comprised of business correspondence, room reservation records, promotional materials, and photographs from Elmo's employment at the Flamingo and Riviera Hotels in his work of securing conventions. There is also correspondence and promotional materials from his wife Charlotte Ellsworth, who worked as a reservations manager at the Riviera Hotel and the Frontier Hotel in Las Vegas, Nevada and the MGM Grand Hotel in Reno, Nevada.

The Sheilagh Brooks Collection on Nevada Historical Sites and Museums dates from 1977 to 1983. It contains materials including budgets, planning proposals, agenda, and minutes related to the Nevada State Museum, including proposals to build a state museum in Southern Nevada. The collection also contains National Register of Historic Places nomination forms for sites throughout Nevada.

The Jon E. Cobain Papers (1963-2009) contains material representing Cobain's experience as the first official graduate of Nevada Southern University (later University of Nevada, Las Vegas) in 1964. Materials include photographs of Cobain and his family, a scrapbook from his 1964 graduation day, newsletters, a copy of Beau's Bits Handbook, personal correspondence, and his diploma. This collection is comprised exclusively of digital surrogates.

The Nancy Houssels Collection on the Nevada Dance Theatre (1972-1997) consists of programs, posters, photographs, newsletters, magazine articles, and newspaper clippings related to the Nevada Dance Theatre (now Nevada Ballet Theatre) in Las Vegas, Nevada. Nancy Houssels co-founded the Nevada Dance Theatre in 1972 with Vassili Sulich.