Board of Governors of the Federal Reserve System (U.S.), 1935-. "Total Manufacturing: Output and Capacity (1957-59 = 100," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "July 20, 1967," G.3 Capacity Utilization, Manufacturing, Mining, Utilities and Industrial Materials (1967-07-20) : 2-2. https://fraser.stlouisfed.org/title/51/item/56870/toc/447618 , accessed on April 19, 2024.