Board of Governors of the Federal Reserve System (U.S.), 1935-. "Monetary Aggregates and Interest Rates," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1972-1976," Annual Statistical Digest (December 1977) : 11-13. https://fraser.stlouisfed.org/title/7/item/23503/toc/117624 , accessed on March 29, 2024.