Board of Governors of the Federal Reserve System (U.S.), 1935-. "Total Nonfarm Business Expenditures on New Plant and Equipment," in Board of Governors of the Federal Reserve System (U.S.), 1935-. "1985," Annual Statistical Digest (October 1986) : 99-99. https://fraser.stlouisfed.org/title/7/item/23512/toc/158841 , accessed on March 24, 2023.