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-. "June 15, 1973," G.12.3 Industrial Production (1973-06-15) : 1-1. https://fraser.stlouisfed.org/title/55/item/59769/toc/471423 , accessed on March 29, 2024.