Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Industrial Production, by Industries (Adjusted for Seasonal Variation)," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "March 1950," Federal Reserve Bulletin (March 1950) : 87-88. https://fraser.stlouisfed.org/title/62/item/21183/toc/164632 , accessed on April 20, 2024.