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 1958," Federal Reserve Bulletin (January 1958) : 61-61. https://fraser.stlouisfed.org/title/62/item/21277/toc/387416 , accessed on April 23, 2024.