Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "U.S. Balance of Payments," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "February 1970," Federal Reserve Bulletin (February 1970) : 164-165. https://fraser.stlouisfed.org/title/62/item/21422/toc/161830 , accessed on April 19, 2024.