The Nevada Watercolor Society Records (1969-2009) contain watercolor paintings and organizational records pertaining to the Nevada Watercolor Society, a non-profit organization that aims to promote watermedia painting and art appreciation. Organizational records contain materials including by-laws, articles of incorporation, newsletters, exhibit information, tax and financial records, receipts, photographs, negatives, and newspaper clippings. The collection also includes paintings by society members and newspaper clippings about art exhibitions and artists in Las Vegas, Nevada.

The Nancy Austin Papers (1966-1978) consist of newspaper clippings and photographs documenting the career of Las Vegas, Nevada entertainer Nancy Austin. The photographs document Austin’s entertainment career as well as other business ventures, including her own clothing line for plus-size women, called Pudgy Playmates.

The Bill Laub Jr. Papers (1966-2003) contain materials that highlight Laub’s involvement with KNPR Radio in Las Vegas, Nevada, the Republican Party in Nevada, and Southwest Gas Company. Materials include a variety of Republican Party publications, including GOPaper and New Republican Times, as well as Southwest Gas Company advertisements, publications, and photographs. The collection also contains the grant written to establish KNPR Las Vegas, agendas and meeting minutes, correspondence, and financial reports for KNPR Radio.

The Las Vegas Rotary Club Records (1981-2022) contain award certificates, club directories and rosters, Las Vegas Rotary publications, commemorative material including a 20-foot by 34-foot velvet curtain. The collection also contains plastic and metal Rotary Club signs from across the United States and international locations, material from a Rotary Club in Africa, and a digital video segment made in 2013 about the history of the Las Vegas Rotary.

The Alan Byron Olson Photographs (approximately 1933) consist of one negative album containing 100 photographic negatives taken by Alan Byron Olson around 1933 that depict the Hoover Dam (then known as Boulder Dam) and the Boulder City Hospital. Olson was a medic for the Boulder City Hospital and the images also depict various hospital staff and other locations related to Hoover Dam. The collection also includes digital copies of the negatives.

The Tonopah and Tidewater Railroad Records (1905-1977) contain correspondence, purchase requisitions, bills of lading, freight reports, and waybills. Also included are a ledger book, a rubber stamp, and a booklet, "Diagrams of Locomotives and Tenders." Incorporated in 1904, the Tonopah and Tidewater Railroad operated for 35 years, connecting Ludlow, California with Beatty, Nevada by way of Death Valley on the Santa Fe Railroad main line. The records are concentrated on the later years of the railroad from 1930 to 1940.

William M. Stewart Correspondence is primarily comprised of handwritten letters addressed to U.S. Senator William Morris Stewart, between 1854 and 1872. Many of the letters were written during his first term in office. Also included is one document about the reappointment of a postmaster of Sutro, Nevada, and a manuscript telegram from Frances P. Hayes about the territorial organization and judicate district in Indian Territory.