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 1956," Federal Reserve Bulletin (August 1956) : 84-84. https://fraser.stlouisfed.org/title/62/item/21260/toc/94285 , accessed on April 25, 2024.