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 1967," Federal Reserve Bulletin (August 1967) : 138-138. https://fraser.stlouisfed.org/title/62/item/21392/toc/406020 , accessed on May 1, 2024.