The Chester R. Longwell Professional Papers (1886-1974) document Longwell's professional career as a geologist and his pioneering field work in Clark County, Nevada. Included are Longwell's field notes; manuscripts, articles and speeches related to geology; personal and business correspondence; professional publications; subject and name files; specimen tags; photographic prints, negatives, and slides; and geological and topographical maps, primarily of Nevada, California, Arizona, and Utah.

The Sands Hotel Photograph Collection depicts entertainers, celebrities, events, amenities, and staff at the Sands Hotel in Las Vegas, Nevada from approximately 1952 to 1980. The photographs primarily depict entertainers like Frank Sinatra, Dean Martin, and the Copa Girls performing in the Copa Room, the showroom of the Sands Hotel. The photographs also depict patrons gambling, events held in the Sands Hotel's ballrooms, banquets, the pool, rooms in the hotel, as well as Jack Entratter, the hotel'’s director of entertainment.

The Bohn-Bettoni Menu Collection contains menus dating from 1854 to 1939 from restaurants around the world that were collected by Henry J. Bohn, including a large number of international menus gathered into a single scrapbook by Henri Bettoni, manager of the Globe Restaurant in London, England. The collection contains menus from hotel restaurants located primarily on the eastern coast of the United States, but also contains menus from Western states such as Montana, Colorado, Washington, and California. Stretching well in the first three decades of the 20th century, the menus in the Bohn-Bettoni collection showcase the evolving nature of American and European cuisine.