Board of Governors of the Federal Reserve System (U.S.), 1935-. "Insurance and Pension Fund Reserves, Unadjusted Net Flows," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "May 23, 1983," Z.1 Financial Accounts of the United States (1983-05-23) : 35-35. https://fraser.stlouisfed.org/title/93/item/69050/toc/466787 , accessed on March 28, 2024.