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. "August 1974," Federal Reserve Bulletin (August 1974) : 124-124. https://fraser.stlouisfed.org/title/62/item/21476/toc/46770 , accessed on March 28, 2024.