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. "October 1920," Federal Reserve Bulletin (October 1920) : 119-119. https://fraser.stlouisfed.org/title/62/item/20606/toc/62420 , accessed on April 18, 2024.