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 1955," Federal Reserve Bulletin (January 1955) : 57-57. https://fraser.stlouisfed.org/title/62/item/21241/toc/72506 , accessed on March 28, 2024.