Board of Governors of the Federal Reserve System (U.S.), 1935-. "January 15, 1964," G.12.3 Industrial Production (1964-01-15). https://fraser.stlouisfed.org/title/55/item/59809, accessed on April 25, 2024.
Board of Governors of the Federal Reserve System (U.S.), 1935-. "January 15, 1964," G.12.3 Industrial Production (1964-01-15). https://fraser.stlouisfed.org/title/55/item/59809, accessed on April 25, 2024.