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 Cynthia Ortiz Collection on Election Campaigns in Nevada (1967-2006) is comprised of published campaign materials for candidates running for office locally, regionally, and state-wide in Nevada. Other materials include Democratic National Party publications regarding general political issues, scrapbooks, and election campaign ephemera such as T-shirts, pins, and bumper stickers.