Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Map of Federal Reserve Districts," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "December 1919," Federal Reserve Bulletin (December 1919) : 123-123. https://fraser.stlouisfed.org/title/62/item/20596/toc/54794 , accessed on May 12, 2024.