Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Condition of Retail Trade in Federal Reserve Districts," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1920," Federal Reserve Bulletin (April 1920) : 43-44. https://fraser.stlouisfed.org/title/62/item/20600/toc/75692 , accessed on April 24, 2024.