Board of Governors of the Federal Reserve System (U.S.), 1935-. "Foreign Transactions in Securities," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1987," Annual Statistical Digest (October 1988) : 156-157. https://fraser.stlouisfed.org/title/7/item/23493/toc/193486 , accessed on April 18, 2024.