Board of Governors of the Federal Reserve System (U.S.), 1935-. "Corporate and Foreign Bonds, Annual Flows, Annual," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "December 2, 1988," Z.1 Financial Accounts of the United States (1988-12-02) : 55-55. https://fraser.stlouisfed.org/title/93/item/69102/toc/476069 , accessed on April 23, 2024.