The Edith Giles Barcus Family Photograph Collection (approximately 1878-1954) consists of black-and-white photographic prints and negatives, as well as postcards and photograph albums. The images depict locations in Nevada including Las Vegas, Goldfield, Searchlight, and Tonopah, in addition to locations in Arizona, California, Colorado, Massachusetts, Utah, and Mexico. Also included are images of family, friends, and associates of the Giles Barcus family. The albums contain photographs depicting the Giles family as they traveled through the southwest United States and Mexico, as well as postcards from prominent locations in the southwestern United States.

The Nevada Test Site Oral History Project Records (approximately 1950-2008) consist of oral histories collected by University of Nevada, Las Vegas Department of History for the Nevada Test Site Oral History Project. The collection includes digital audio recordings of interviews, print and digital transcripts, and a small selection of digital video recordings. Some interviews have also been supplemented with photographs, letters, scientific articles, brochures, news clippings and ephemera about the Nevada Test Site.

The Toni and Wilbur Clark Photographs depict Las Vegas, Nevada casino owner and land developer Wilbur Clark and his wife Toni from 1910 to 1975. The photographs primarily document Wilbur and Toni Clark at the Desert Inn, the hotel and casino Wilbur co-owned. The photographs also depict him with politicians and entertainers, and Wilbur and Toni Clark’s house in Las Vegas.

The K. O. Knudson Photographs (approximately 1920-1969) depict the Las Vegas Grammar School and service, fraternal, and veterans organizations gathered by retired Las Vegas, Nevada school administrator and World War I veteran K. O. Knudson (also known as K. Oscar Knudson). The collection includes images of Knudson, Las Vegas Masonic Lodge members, American Legion members, and school dances. The photographs primarily feature Las Vegas, Nevada.