Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Industrial Production, by Industries," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "April 1933," Federal Reserve Bulletin (April 1933) : 57-57. https://fraser.stlouisfed.org/title/62/item/20636/toc/104072 , accessed on July 9, 2024.