Board of Governors of the Federal Reserve System (U.S.), 1935-. "Information Status for Preliminary Estimates," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "September 23, 1982 : Annual Revisions," Z.1 Financial Accounts of the United States (1982-09-23) : 7-9. https://fraser.stlouisfed.org/title/93/item/69128/toc/466180 , accessed on April 19, 2024.