Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Purchases and Sales by Foreigners of Long-Term Securities, by Type," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "July 1970," Federal Reserve Bulletin (July 1970) : 140-140. https://fraser.stlouisfed.org/title/62/item/21427/toc/64601 , accessed on May 10, 2024.