Board of Governors of the Federal Reserve System (U.S.), 1935-. "Measures of the Money Stock," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1973-1977," Annual Statistical Digest (December 1978) : 58-59. https://fraser.stlouisfed.org/title/7/item/23504/toc/110116 , accessed on March 29, 2024.