Board of Governors of the Federal Reserve System (U.S.), 1935-. "Release Text," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "March 14, 1975," G.12.3 Industrial Production (1975-03-14) : 1-2. https://fraser.stlouisfed.org/title/55/item/59584/toc/469967 , accessed on March 28, 2024.