Board of Governors of the Federal Reserve System (U.S.), 1935-. "September 16, 1966," G.12.3 Industrial Production (1966-09-16). https://fraser.stlouisfed.org/title/55/item/59581, accessed on May 4, 2024.
Board of Governors of the Federal Reserve System (U.S.), 1935-. "September 16, 1966," G.12.3 Industrial Production (1966-09-16). https://fraser.stlouisfed.org/title/55/item/59581, accessed on May 4, 2024.