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.

The Don T. Walker Photograph Collection (1900-1995) is comprised of black-and-white and color photographs taken by or belonging to Las Vegas photographer and Nevada historian Don Travis Walker. The photographs taken by Walker include ghost towns in Nevada, Arizona, and California, as well as a series on Phil Benson, editor and publisher of the Southern Nevada Times. Other items in the collection include photographs taken by other people related to the Moulin Rouge Hotel in Las Vegas, various photographs of historic sites in Nevada, and a program from the Nevada State Museum and Historical Society for its "Moulin Rouge: History in the Making" exhibition.

The Frank Williams Papers on Early Nevada (1892-1946) consists of manuscripts written for the most part by Frank Williams, an early resident of Southern Nevada. The collection includes Williams' autobiography as well as histories of Goodsprings, Potosi Mine, Mesquite Valley, and the Yellow Pine Mining districts. Finally, this collection contains reports and material reflecting Frank Williams' two terms as University Regent (1909-1912 and 1923-1942) at the University of Nevada, Reno, and his four terms in the Nevada State Assembly.

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.

The Barrick Lecture Series Records consist of audio recordings of lectures given by distinguished guests from approximately 1980 to 2011 as part of the Barrick Lecture Series at the University of Nevada, Las Vegas. Some of the guests included former U.S. Presidents Gerald Ford and Jimmy Carter, as well as politicians such as Henry Kissinger and Bill Bradley. Other notable guests included astronomer Carl Sagan, journalist Cokie Roberts, political satirist Mark Russell, and former Pakistan Prime Minister Benazir Bhutto. The records also contain photographs, posters, and pamphlets advertising the lecture events.

The Leonard Blood Papers (1888-1962) consist photographs and personal documents from his work in the United States Navy, Las Vegas Labor Commission, and on the Boulder (Hoover) Dam in Nevada. The bulk of the papers date between 1930 to 1950. Included are correspondence, telegrams, newspaper clippings, a scrapbook, family photographs, and various ephemera.