The Ray Cutright Collection of Winthrop A. Davis Photographs (approximately 1929-1939) consists of black-and-white photographic prints with some corresponding negatives and slides of the construction of Hoover Dam and the geographic terrain of southern Nevada during the early 1930s. Included are photographs of the geographic area around the dam site, Black Canyon, and Boulder City, Nevada. Photographs depict the construction of facilities and roads needed for the project.

The Donna Andress Papers (1890-2021) contain the personal papers of Donna Andress, a longtime resident and activist in Southern Nevada. Materials include correspondence and newspaper clippings from the Nevada Welfare Committee, on which Andress served as chairperson during the 1970s, in addition to pamphlets and newsletters from various Nevada historical organizations and committees. The papers reflect her involvement with community organizations throughout Southern Nevada.

The Albert S. Henderson Papers (1879-1962), document his career and service as a district judge in Las Vegas, Nevada. Included are correspondence, a personal statement from his election campaign, certificates and proclamations, his memorial book, numerous newspaper clippings, an 1879 edition of Eureka and Its Resources, and various ephemera: union cards, name tags, and election cards.