Board of Governors of the Federal Reserve System (U.S.), 1935-. "Dr. Nils Y. Wessell appointed as Class C director of the Federal Reserve Bank of Boston" in Press Releases of the Board of Governors of the Federal Reserve System
(December 19, 1957).
https://fraser.stlouisfed.org/title/9237/item/696885, accessed on December 7, 2025.