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 Scott Henry Photographs of the Las Vegas, Latinx Community (approximately 1983-2000) consist of 42 photographic prints depicting members of the Latinx community in Las Vegas, Nevada. Thirty-eight of the prints were used as part of a collaborative project between Scott Henry, photographer and editor for the Las Vegas Review-Journal, and Thomas Rodriguez, a prominent member of the Latinx community in Las Vegas, for an exhibit of the Las Vegas Latinx community. Henry and Rodriguez together planned who to photograph for the exhibit. The photographs demonstrate the impact that the Latinx community has on the region's political, economic, and social growth and development. A number of the photographs show early members of the League of United Latin American Citizens (LULAC), including John Mendoza, Delia Martinez, Tom Rodriguez, Bob Agonia, Corrine Gutierrez, Nick Flores, Grace Salazar, and Gus Ramos.

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 Ernie W. and Lucille Marleau Cragin Photograph Collection contains photographic prints, negatives, and slides depicting early Las Vegas and Boulder City, Nevada events, buildings, and people between approximately 1900 and 1950.

The McCall Family Papers are comprised primarily of family photographs and correspondence from 1910-1970. The materials concentrate on Quannah McCall and his daughter, Connie McCall, both were well known dentists in Southern Nevada. The materials also contain letters, postcards, holiday cards, and birth, death, and marriage certificates, as well as school commencement announcements for family members.