Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Industrial Production - Major Divisions Expressed as Points in Total Index," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "November 1941," Federal Reserve Bulletin (November 1941) : 114-115. https://fraser.stlouisfed.org/title/62/item/21039/toc/325601 , accessed on April 25, 2024.