Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Industrial Production - Indexes and Gross Value," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "November 1979," Federal Reserve Bulletin (November 1979) : 117-118. https://fraser.stlouisfed.org/title/62/item/20459/toc/143190 , accessed on April 26, 2024.