Correspondence dated 1918-October 1924 between the American Chamber of Commerce of China, the Chamber of Commerce of the United States, New York, and local Chambers of commerce in the United States (San Francisco, Seattle); the Bureau of Foreign and Domestic Commerce, Washington, D.C.; the Commercial Attache in Shanghai, China, and American firms, in connection with the American Chamber of Commerce of China (organization, resolution, appointment, cooperation, services rendered to US firms, copies of the Chamber of Commerce Bulletin, conference, preparation and use of trade reports...).