Board of Governors of the Federal Reserve System (U.S.), 1935-. "Preliminary figures indicate that operating income of the Federal Reserve Banks amounted to $29.347 billion during 1999" in Press Releases of the Board of Governors of the Federal Reserve System
(January 6, 2000).
https://fraser.stlouisfed.org/title/9237/item/675749, accessed on July 11, 2025.