Board of Governors of the Federal Reserve System (U.S.), 1935-. "Income and Expenses of Federal Reserve Banks," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1987," Annual Statistical Digest (October 1988) : 183-184. https://fraser.stlouisfed.org/title/7/item/23493/toc/193497 , accessed on April 24, 2024.