Board of Governors of the Federal Reserve System (U.S.), 1935-. "William R. Mathews appointed as a director of the El Paso branch of the Federal Reserve Bank of Dallas" in Press Releases of the Board of Governors of the Federal Reserve System
(January 14, 1958).
https://fraser.stlouisfed.org/title/9237/item/696889, accessed on December 14, 2025.