The Historic Building Survey Collection (1930-2001) contains materials on the preservation of historic buildings in Southern Nevada, Arizona, and Utah from Dr. Ralph Roske's History 117 course taught at the University of Nevada, Las Vegas (UNLV). The collection is comprised of surveys which include descriptions, photographs, blueprints, newspaper clippings, pamplets, and fliers related to historic houses, businesses, and public sites.

The Historic Building Survey Photograph Collection (1970s-1982) contains color and black-and-white photographic prints and contact sheets of historic buildings in Nevada. Included in the collection are photographs of various churches, fire stations, houses, schools, casinos, motels, and other buildings primarily in the Las Vegas, Nevada area. The photographs are from Dr. Ralph Roske’s History 117 course taught at the University of Nevada, Las Vegas.

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.