The Las Vegas, Nevada Strip Hotel Labor Relations Collection comprises legal documents, correspondence, and human resources manuals and pamphlets related to labor in the hospitality industry on the Las Vegas Strip in Nevada from 1963 to 2008. The majority of documents involve the Culinary Union, the Bartenders Union, the Teamsters Union, MGM Mirage affiliated hotel casinos, the Dunes Hotel, and the Sands Hotel and Casino.

The McCall Family Papers are comprised primarily of family photographs and correspondence from 1910-1970. The materials concentrate on Quannah McCall and his daughter, Connie McCall, both were well known dentists in Southern Nevada. The materials also contain letters, postcards, holiday cards, and birth, death, and marriage certificates, as well as school commencement announcements for family members.

The Chester Longwell Photograph Collection consists of 608 black-and-white photographic prints dating from approximately 1910 to 1930. The images primarily depict the Longwell family's excursions in the Southern Nevada region, primarily to Mount Charleston, Nevada. Also included are images of Southern Nevada mines and mining towns, as well as Pubelo Grande de Nevada, the Lost City. The remaining images depict geological formations and features, as well as forestry and nature scenes in Nevada and Arizona.

The Harrah’s Entertainment, Inc. Photograph Collection contains black-and-white and color photographic prints, negatives, postcards, and slides of William "Bill" Harrah at events in Nevada between approximately 1930 and 1991. Also included are views of Harrah’s Nevada properties including Harrah’s Lake Tahoe Hotel and Casino, Harrah’s Reno Hotel and Casino, and the Holiday Inn Hotel and Casino (that later became Harrah’s Las Vegas Hotel and Casino).

The Southern Nevada Chapter of the American War Mothers Organization Records (1947-1995) are comprised primarily of scrapbooks containing correspondence and minutes, numerous newspaper clippings, and photographs. Also included are pamphlets on American War Mothers organizational rituals, bylaws, history, ceremonial ephemera, flags, and a Henderson Chapter Charter. The materials also contain items relating to the North Las Vegas Chapter, the Rose Garden Chapter, and the State Chapter.

The Domingo Cambeiro Corporation Architectural Records contain renderings and presentation boards depicting schools, commercial properties, public facilities, and government buildings throughout Las Vegas, Nevada between 1979 to 2010. The collection also includes architectural drawings of the Thomas & Mack Center on the campus of the University of Nevada, Las Vegas.

The collection is comprised of architectural drawings (1952-1997) completed by American architect, Ethan Jennings Jr. and/or his architectural firm, Ethan Jennings Jr., AIA, CSI and includes Jenning's work from the firm of John Badgley, AIA, where Ethan Jennings Jr. worked in Southern California during the 1950s, as well as work Jenning's completed with Americo Inc., and Tolosa Group. The collection contains 217 sets of drawings, 6 boxes of project records, and 8 flat files of oversized material from over 200 different projects primarily located in California with some projects located in the Las Vegas area. The materials feature hand-drawn architectural drawings, ranging from preliminary sketches to construction documents. The drawings also contain work from consultants, engineers, and other architects who collaborated on the development of the various projects. The drawings include: commercial, industrial, professional, civic, residential, and religious buildings of varying scales, such as libraries, apartments, warehouses, office developments, schools, military buildings, churches, and custom single-family homes located throughout California and Las Vegas. The drawings also include a number of additions, remodels, and renovations. The collection also contains project records like structural calculations and drawings, project manuals and specifications, bid documents, and professional correspondence.