Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Estimated Foreign Holdings of Marketable U.S. Treasury Bonds and Notes," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "December 1974," Federal Reserve Bulletin (December 1974) : 153-153. https://fraser.stlouisfed.org/title/62/item/21480/toc/257926 , accessed on May 4, 2024.