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 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 Marge Jacques Papers (1960-1990) comprise the personal papers of Marge Jacques, a prominent member of the Las Vegas, Nevada gay and lesbian community, and owner of the gay bar, Le Cafe. The papers contain correspondence, licensing records, financial statements, and artifacts from clubs that Jacques owned or managed. Also included are photographs, videotapes, audiotapes, newspaper clippings, and Gipsy Nightclub promotional material.

The Central Credit, Inc. Records (1956-1987) contain meeting minutes, employee records, business ledgers, newspaper clippings, membership applications, photographs, and reports. Also included are incorporation papers, a Code of Ethics, Credit Law, Tod Early's personal calendars/diaries, and audiovisual materials. Central Credit, Inc. had branches in Reno, Las Vegas, and Lake Tahoe, Nevada, and also in London.

The Danny Cassella Collection of Sheet Music (1940s-1960s) consists of stock arrangements for songs and scores from the 1940s through the 1960s. The arrangements were collected by musician Danny Cassella. Additionally the collection contains several Tune-Dex cards.

The North Las Vegas Library District records (1959-2006) contain awards and commendations, events, scrapbooks, a diary and photographs relating to the building of the library, budgets, grants, and documents about the expansion project. Also included are four over-sized posters and three large floor plans, two for the garage and one library interior plan.

The Bob Parker Photograph Collection consists of twenty-seven black-and-white photographic prints showcasing the construction of the Hoover Dam (Boulder Dam) from approximately 1930 to 1942.