Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Net Purchases by Foreigners of Long-Term Foreign Securities, by Areas," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "June 1961," Federal Reserve Bulletin (June 1961) : 93-93. https://fraser.stlouisfed.org/title/62/item/21318/toc/211018 , accessed on May 7, 2024.