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 1923," Federal Reserve Bulletin (December 1923) : 131-131. https://fraser.stlouisfed.org/title/62/item/20555/toc/223337 , accessed on March 29, 2024.