Board of Governors of the Federal Reserve System (U.S.), 1935-. "Flow of Funds Accounts - Financial Assets and Liabilities," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1970-1979," Annual Statistical Digest (March 1981) : 320-323. https://fraser.stlouisfed.org/title/7/item/23506/toc/190727 , accessed on March 28, 2024.