Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Map of the Federal Reserve System," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1958," Federal Reserve Bulletin (April 1958) : 140-140. https://fraser.stlouisfed.org/title/62/item/21280/toc/159424 , accessed on March 29, 2024.