Board of Governors of the Federal Reserve System (U.S.), 1935-. "Corporate and Foreign Bonds, Seasonally Adjusted Annual Rates," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "May 19, 1981," Z.1 Financial Accounts of the United States (1981-05-19) : 42-42. https://fraser.stlouisfed.org/title/93/item/69129/toc/480774 , accessed on April 25, 2024.