Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Special Reports on Business Conditions," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "September 1920," Federal Reserve Bulletin (September 1920) : 28-36. https://fraser.stlouisfed.org/title/62/item/20605/toc/366427 , accessed on July 16, 2024.