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-. "1991," Annual Statistical Digest (November 1992) : 153-154. https://fraser.stlouisfed.org/title/7/item/23497/toc/264538 , accessed on April 19, 2024.