Board of Governors of the Federal Reserve System (U.S.), 1935-. "Leonard K. Firestone appointed as a director of the Los Angeles branch of the Federal Reserve Bank of San Francisco" in Press Releases of the Board of Governors of the Federal Reserve System
(February 7, 1957).
https://fraser.stlouisfed.org/title/9237/item/696853, accessed on December 14, 2025.