The Southern Nevada Historical Society Records document the management and development of the Southern Nevada Historical Society (SNHS) as well as various historical projects in Las Vegas and Southern Nevada that the society sponsored from 1948 to 1983. The records include SNHS correspondence (1951-1978), meeting minutes (1958-1983), and accounting information (1959-1980). It also contains copies of the SNHS Backtrails Newsletter, promotional material for events, membership lists, and research materials for various projects related to the history of southern Nevada and Las Vegas.

The Cork Proctor Photograph Collection (1960s-1980s) primarily contains black-and-white photographic reproductions of early Las Vegas, Nevada; the Cal-Neva Lodge at Lake Tahoe, Nevada; and various celebrities. The collection also includes black-and-white photographic prints of the Helldorado Parade. Cork Proctor was a comedian who performed throughout Nevada and the United States.