Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Industrial Statistics for England, France, Germany, and Canada," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "June 1930," Federal Reserve Bulletin (June 1930) : 50-51. https://fraser.stlouisfed.org/title/62/item/20702/toc/73180 , accessed on May 10, 2024.