Board of Governors of the Federal Reserve System (U.S.), 1935-. "Contents," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "March 11, 1988," Z.1 Financial Accounts of the United States (1988-03-11) : 2-3. https://fraser.stlouisfed.org/title/93/item/69079/toc/483949 , accessed on May 4, 2024.