Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Merchandise Exports and Imports," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "June 1956," Federal Reserve Bulletin (June 1956) : 93-93. https://fraser.stlouisfed.org/title/62/item/21258/toc/204257 , accessed on April 19, 2024.