Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Factory Employment (Adjusted for Seasonal Variation)," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "August 1949," Federal Reserve Bulletin (August 1949) : 97-97. https://fraser.stlouisfed.org/title/62/item/21176/toc/338276 , accessed on March 28, 2024.