The Morrison Family Photograph Collection (1917-1933) consists of black-and-white and color photographic prints, negatives, and slides. The images primarily depict the Morrison family in Las Vegas, Nevada and the surrounding areas. Images portray youth activities in Nevada, including a local Boy Scouts Troop, Las Vegas High School students, Clark County High School students, as well as student activities at the University of Nevada, Reno. Also included are images of scenes around Las Vegas, including Mount Charleston, Little Falls, and the Colorado River prior to the Hoover Dam (Boulder Dam). Other images include Morrison family trips to California, Utah, Oregon, and Arizona.

The Virginia Logan Photograph Collection contains photographic prints, negatives, and slides primarily depicting Nevada between approximately 1900 and 1940 with a focus on Las Vegas and its local landscapes. These photographs were taken by Glenn Davis.

The Union Pacific Railroad Photographs depict the Union Pacific Railroad Company's tracks, depots, locomotives, and stations in Southern Nevada and Southern California from 1904 to 1973. The photographs primarily depict Union Pacific officials in Las Vegas, Nevada, construction of Boulder City, Nevada and the Hoover (Boulder) Dam, hotels and casinos in Las Vegas, and the aftermath of flooding in 1938 that damaged Union Pacific tracks.

The James Reece Photographs of El Rancho Vegas depict the Las Vegas Strip's first hotel, El Rancho Vegas, in Las Vegas, Nevada, from approximately 1950 to 1962. The photographs depict a craps table and its operators, owner Beldon Katleman with Eleanor Roosevelt, the hotel's exterior, and military servicemen photographed with one of El Rancho's entertainers, Yvette Dare.

The Roger D. Foley Papers on United States v. Cappaert are comprised of materials collected by District Judge Roger D. Foley while performing his duties as judge in United States v. Francis Leo Cappaert, et al. from 1972 to 1976. The collection includes transcripts of the case, exhibits, and copies of motions filed with the Court in regards to this case, which centered on the protection of the Devils Hole pupfish in Nevada.

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.

The Larven Mason Photograph Collection (approximately 1930 to 1939) consists of photographic negatives with corresponding black-and-white photographic prints, as well as additional black-and-white photographic prints. The images depict the mining equipment, personnel, operations, and housing for the Blue Diamond Corporation mine in Blue Diamond, Nevada.