Industrial Production
Board of Governors of the Federal Reserve System (U.S.), 1935-. "Industrial Production," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1971-1975," Annual Statistical Digest (October 1976) : 193-194. https://fraser.stlouisfed.org/title/7/item/23513/toc/413697 , accessed on March 29, 2024.