Board of Governors of the Federal Reserve System (U.S.), 1935-. "Earnings and Expenses of Federal Reserve Banks," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1973-1977," Annual Statistical Digest (December 1978) : 278-279. https://fraser.stlouisfed.org/title/7/item/23504/toc/110172 , accessed on April 23, 2024.