The Daughters of Union Veterans (DUV) of the Civil War, Las Vegas, Nevada Records comprise various materials from the organization ranging from the years 1861 to 1970, with a bulk of the material dating from 1948 to 1954. The contents consist of a scrapbook of memorabilia and newspaper clippings, magazine articles profiling the Grand Army of the Republic, reissues of Harper’s Weekly from 1861, and the correspondence and ephemera of Henrietta Denny.

The James H. Down Sr. Scrapbooks (1933-1979) contain newspaper clippings and political advertisements about his political and civic involvement in Las Vegas, Nevada.

The Thomas McLaughlin Papers (1937-1985) are comprised of newspaper clippings, photographs, and correspondence about real estate, the Clark County Democratic Party, and local fraternal organizations, especially the Knights of Columbus and the Friendly Sons of Saint Patrick in Las Vegas, Nevada. Materials also include some clippings on McLaughlin's appointment as trustee of the Las Vegas Park Racetrack in 1955.

The Nevada Banking History Collection (1870-1976), compiled by the First National Bank of Nevada, ontains correspondence, checks, deposit slips and other documents related to early bank operations in Nevada. There are also newspaper articles, published materials and photographs relating to the history of banks in Nevada from 1870 to 1976.

The Tonopah and Tidewater Railroad Records (1905-1977) contain correspondence, purchase requisitions, bills of lading, freight reports, and waybills. Also included are a ledger book, a rubber stamp, and a booklet, "Diagrams of Locomotives and Tenders." Incorporated in 1904, the Tonopah and Tidewater Railroad operated for 35 years, connecting Ludlow, California with Beatty, Nevada by way of Death Valley on the Santa Fe Railroad main line. The records are concentrated on the later years of the railroad from 1930 to 1940.

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.