Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Industrial Production - Seasonal Adjustment Factors for Recent Years," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "October 1943," Federal Reserve Bulletin (October 1943) : 45-48. https://fraser.stlouisfed.org/title/62/item/21062/toc/236552 , accessed on April 25, 2024.