Board of Governors of the Federal Reserve System (U.S.), 1935-. "Output and Capacity for Manufacturing and Industrial Materials," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "September 15, 1978," G.3 Capacity Utilization, Manufacturing, Mining, Utilities and Industrial Materials (1978-09-15) : 2-2. https://fraser.stlouisfed.org/title/51/item/56758/toc/452672 , accessed on April 25, 2024.