Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Average Monthly Value of Retail Trade," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "February 1923," Federal Reserve Bulletin (February 1923) : 110-111. https://fraser.stlouisfed.org/title/62/item/20544/toc/208854 , accessed on April 19, 2024.