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. "August 1967," Federal Reserve Bulletin (August 1967) : 185-185. https://fraser.stlouisfed.org/title/62/item/21392/toc/406070 , accessed on May 7, 2024.