Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Increase in the Production of Raw Materials 1913 - 1918," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1919," Federal Reserve Bulletin (April 1919) : 38-39. https://fraser.stlouisfed.org/title/62/item/20588/toc/391717 , accessed on April 18, 2024.