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. "October 1960," Federal Reserve Bulletin (October 1960) : 60-60. https://fraser.stlouisfed.org/title/62/item/21310/toc/99529 , accessed on March 28, 2024.