Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Foreign Trade of Principal Countries," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "June 1926," Federal Reserve Bulletin (June 1926) : 67-67. https://fraser.stlouisfed.org/title/62/item/20654/toc/333684 , accessed on April 18, 2024.