The James H. Down Jr. Photograph Collection (approximately 1915-1940) consists of black-and-white photographic prints and negatives, as well as color photographic slides and postcards. The images depict scenes in and around Las Vegas and Goodsprings, Nevada. Also included are Glenn Davis' photographs of the Hoover Dam (Boulder Dam), Black Canyon, the Colorado River, and Lake Mead. Most of the images portray the construction phases of the Hoover Dam.

The Woodrow Wilson Photograph Collection consists of black-and-white photographic prints and negatives. The images depict black elected government leaders attending the first Conference of Black Elected Officials held in Washington, D.C. in September 1969. Of particular interest are images of Nevada's first black state legislator, Woodrow Wilson; Georgia state representative, Julian Bond; and President Richard Nixon.

The Hotel Last Frontier Photograph Collection contains photographic prints, negatives, and slides depicting scenes inside and outside the Hotel Last Frontier in Las Vegas, Nevada between approximately 1940 and 1969. The collection also includes photographs under its alternate names: the Last Frontier and the New Frontier Hotel and Casino.

The Nancy Houssels Collection on the Nevada Dance Theatre (1972-1997) consists of programs, posters, photographs, newsletters, magazine articles, and newspaper clippings related to the Nevada Dance Theatre (now Nevada Ballet Theatre) in Las Vegas, Nevada. Nancy Houssels co-founded the Nevada Dance Theatre in 1972 with Vassili Sulich.

The Johnnie Ray Music Scores contain hand-written musical scores from the musician Johnnie Ray that were created between 1958 and 1991. Johnnie Ray was a singer, songwriter, and pianist. He was most notable for the songs "Cry" and "The Little White Cloud That Cried."

The collection, 1949 to 2006, was compiled by Clifford Olsen, a containment physicist at the Nevada Test Site (NTS). It consists of research notes and working papers written by Olsen and other scientists, publications, epoxy aggregate samples, work-related correspondence, nuclear-test-event data, and interviews conducted by Olsen with work colleagues involved with the NTS.

The Alex Shoofey Papers are comprised of records spanning 1967 to 1972 that primarily pertain to financial operations and policies for the International Hotel and Casino-Las Vegas Hilton and the Flamingo Hotel in Las Vegas, Nevada. The collection includes daily profit and loss reports, interdepartmental correspondence, staffing and operational policies and procedures, production reports, and Shoofey's personal correspondence. Collection materials are representative of business and financial records from Shoofey's tenure as president of both the International and Flamingo hotels and casinos.