Federal Reserve Bank of New York. "4333. Resignation of Allan Sproul," Federal Reserve Bank of New York Circulars (April 30, 1956). https://fraser.stlouisfed.org/title/466/item/11794, accessed on May 4, 2024.
Federal Reserve Bank of New York. "4333. Resignation of Allan Sproul," Federal Reserve Bank of New York Circulars (April 30, 1956). https://fraser.stlouisfed.org/title/466/item/11794, accessed on May 4, 2024.