Board of Governors of the Federal Reserve System (U.S.), 1935-. "Reserves, Money Stock, Liquid Assets, and Debt Measures," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1988," Annual Statistical Digest (November 1989) : 10-12. https://fraser.stlouisfed.org/title/7/item/23494/toc/426439 , accessed on March 28, 2024.