The Six Companies, Inc. Hoover Dam Photograph Collection (1931-1935), consists of approximately 400 black-and-white photographic prints contained in two photograph albums and an additional twenty-one loose black-and-white photographic prints with ten corresponding photographic negatives.

The University of Nevada, Las Vegas School of Nursing Records (1950-2019) contain records documenting the history of the UNLV School of Nursing. The materials include records from the nursing school's Alumni Association, including financial reports, bylaws, correspondence, and membership information; recruitment materials from the School of Nursing, including brochures, photographs, and program requirements; history of the School of Nursing, including photographs, newspaper clippings, a short summary of the program, and a short documentary film comprised of digital video files; and accreditation information, including newspaper articles, accreditation reports, and evaluations of the program from the Nevada State Board. The materials also include nursing student uniforms, caps, and nursing capes from the 1950s and 1960s.

The Helen J. Stewart Photographs depict the Stewart Family from approximately 1860 to 1950. The photographs primarily depict Helen J. Stewart and her children as well as the Stewart Ranch (also know as the Las Vegas Ranch) in Southern Nevada. The photographs include the early Las Vegas, Nevada town site, landscapes of Southern Nevada and the American Southwest, mines and mining camps, railroads and railroad workers, the Las Vegas Fort (also known as the Old Mormon Fort), hotels and early businesses in Las Vegas, Native Americans and Native American artifacts, and postcards.