Correspondence, diary (1916 September-1919 April), autobiographical sketch, writings, obituaries, scrapbooks, and a map documenting Rogers's studies at Dartmouth College (1912-1916); experiences in Saint Petersburg, Russia, as an employee of the National City Bank of New York (1916-1918); service as an intelligence officer in Great Britain and France for the American Expeditionary Forces (1918-1919), as a trade commissioner in Europe (1921-1926) representing the Aeronautics Trade Division of the U.S. Dept. of Commerce, as president of the Aeronautical Chamber of Commerce of America (1926-1936), and as a representative on missions to Japan and China for the transportation committee of the American Economic Mission to the Far East (1935); his mission (1943-1944) to the Soviet Union on behalf of the U.S. Army Air Forces to obtain information vital to the Allied war effort; and his life as a consultant in Connecticut. Includes his writings on the Soviet theater and other writings presenting an American's perspective on the Russian revolution and Soviet life.