The Alan Bible Speeches Collection contains speeches made by Alan Bible while he was serving as a United States Senator representing Nevada from 1967 to 1974. The collection documents Bible's work around the state of Nevada, including dedication and commencement speeches, policy speeches, and promotion of the Democratic Party, as well as some speeches delivered in Washington, D.C.

The Union Pacific Railroad Collection (1828-1986) is comprised of the original corporate records of the Union Pacific Railroad's operations in Southern Nevada, Utah, and Southern California, particularly focusing on Las Vegas and Los Angeles. The collection documents the purchase of Stewart ranch and the construction of the original depot and town which became modern Las Vegas. The collection also contains the records of the Las Vegas Land & Water Company (LVL&W), a subsidiary of the railroad formed in 1905 to handle the railroad's land transactions. The collection contains office files, correspondence, reports, leases, various legal, governmental and financial document, the collection contains large and small format maps, architectural and engineering drawings, published technical reports, railroad operational manuals, bound legal briefs, ledgers, and payroll and receipt books. The collection also includes the personal files of Walter Bracken, the Union Pacific's special representative in Nevada and vice president of the Las Vegas Land and Water Company, and a paper index of the collection materials.

The Bruce Carlson Photograph Collection (approximately 2000-2009) consists of digital reproductions of Francis and Neeley family photographs taken during the early 1900s throughout Southern Nevada. Notable locations include Pioche, Eagle Valley, and Spring Valley, Nevada. This collection consists entirely of digital surrogates.

The Albert S. Henderson Photograph Collection (1860s-1959) primarily contains black-and-white photographic prints of Albert S. Henderson and his family. Also included in the collection are photographic prints of Henderson during his tenure as a Nevada legislator and district judge. Other materials include postcards, negatives, and a tintype.

The Thomas J. Hickey Photograph Collection (1987-1989) contains color and black-and-white photographic prints of Thomas J. Hickey during his tenure as a Nevada State Senator. The collection also includes photographic prints of the Sparks, Nevada train yard and the Home of the Good Shepard church in Las Vegas, Nevada.

The Archie C. Grant Photograph Collection (1914-1968) contains black-and-white photographs of Nevada politician Archie C. Grant. The materials include photographs of Grant with the Las Vegas Housing Authority at groundbreaking ceremonies, the University of Nevada Board of Regents, and with other Nevada politicians. Materials also contain early photographs of the University of Nevada, Las Vegas campus, including the dedication of Maude Frazier Hall.

The Jean Ford Photograph Collection (1964-1977) contains black-and-white photographic prints, contact sheets, and transparencies of Nevada politician and activist Jean Ford. The collection includes photographs of Jean Ford with the Nevada State Park Commission and various Nevadan politicians; Ford lecturing and campaigning; and of the 1977 National Women's Conference in Houston, Texas.