Board of Governors of the Federal Reserve System (U.S.), 1935-. "Commercial Paper and Bankers' Dollar Acceptances Outstanding," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1973-1977," Annual Statistical Digest (December 1978) : 96-98. https://fraser.stlouisfed.org/title/7/item/23504/toc/110124 , accessed on March 29, 2024.