Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "Business Expenditures on New Plant and Equipment," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "January 1967," Federal Reserve Bulletin (January 1967) : 129-129. https://fraser.stlouisfed.org/title/62/item/21385/toc/158112 , accessed on March 29, 2024.