Miller. Financial papers (1883–1929) detailing Sohlberg’s association with business interests in early Oklahoma City, Oklahoma, especially the milling industry; and publications (1882–1939), including books, pamphlets, brochures, and flyers on art, music, travel, and motion pictures, along with event programs from the 1914 season of the Overholser Theatre in Oklahoma City, and from the seven hundredth anniversary of the city of Berlin, Germany, an automobile construction and care manual published in 1919 by the Cole Motor Car Company, and numerous works regarding major cities and countries throughout the world as they were before World War I; paper money (1857) issued by a bank in Nebraska; and certificates (1909–1934) issued to Sohlberg and others, including one appointing him a member of the Oklahoma City reception committee for President Woodrow Wilson. Also in this collection are booklets detailing the status of aviation (circa 1920) in the Kingdom of Siam.