The Ralph Roske Papers (1957-1989) consist of Ralph Roske's book manuscripts, lecture notes, and correspondence. The collection includes extensive lecture notes on the United States Civil War, United States history, and Nevada history. It also includes Roske's research and manuscripts on Nevada, California, and the United States Civil War, as well as student

papers. Ralph Roske was a professor of history at the University of Nevada, Las Vegas (UNLV).

The Robert B. Griffith Collection (1928-1975) documents the work of Robert B. Griffith, an instrumental figure in the development of water resources in Las Vegas, Nevada, as well as the creation of McCarran International Airport and Nellis Air Force Base. The collection consists of Colorado River Commission papers, 1928 International Air Race documents, general correspondence, a feasibility study, an airport guide, American Legion papers, the memoirs of Alfred Merritt Smith, and death and burial records belonging to his father. The collection also includes slides from various countries, including the United States, Canada, Europe, Asia, and the Middle East.