Board of Governors of the Federal Reserve System (U.S.), 1935-. "Private Pension Funds, Seasonally Adjusted Annual Rates," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "May 15, 1978," Z.1 Financial Accounts of the United States (1978-05-15) : 33-33. https://fraser.stlouisfed.org/title/93/item/69072/toc/479181 , accessed on May 9, 2024.