Board of Governors of the Federal Reserve System (U.S.), 1935-. "Seasonally Adjusted and Percentage Change Summary," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "November 16, 1971," G.12.3 Industrial Production (1971-11-16) : 1-1. https://fraser.stlouisfed.org/title/55/item/59587/toc/468241 , accessed on May 2, 2024.