Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Wholesale and Retail Trade Statistics of the United States," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1924," Federal Reserve Bulletin (April 1924) : 56-57. https://fraser.stlouisfed.org/title/62/item/20559/toc/236429 , accessed on May 7, 2024.