The Human Radiation Experiments Records (1949-1995) contain reports from the National Environmental Policy Act (NEPA), the Advisory Committee on Human Radiation Experiments (ACHRE), and the U. S. Department of Energy (DOE). Also included are newspaper clippings, a court case brought by the National Association of Radiation Survivors (NARS), and cancer research papers. With the goal of building an atomic bomb using plutonium extracted from uranium, the material also examines the outcomes of radiation exposure done on humans during the late 1940s and early 1950s at the Oak Ridge Nuclear Facility in Tennessee.

Papers are comprised of photographs, newspaper clippings, and correspondence dating from the 1950s to the 1980s collected by Steven Hart, son of the Las Vegas, Nevada chef, Nat Hart. The papers include information about Steven Hart's childhood and his service in Vietnam. Also included in the collection are photos of Steven Hart's father, Nat Hart.

The Nevada Consolidated Copper Company Photograph Albums (1906-1907) contain two photograph albums from the mining company's chief engineer's office. The photograph albums include cyanotype and black-and-white photographs depicting the construction of the smelting plant, equipment, railroad, and landscape of Ruth, Nevada.

The Cork Proctor Photograph Collection (1960s-1980s) primarily contains black-and-white photographic reproductions of early Las Vegas, Nevada; the Cal-Neva Lodge at Lake Tahoe, Nevada; and various celebrities. The collection also includes black-and-white photographic prints of the Helldorado Parade. Cork Proctor was a comedian who performed throughout Nevada and the United States.