Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "National Summary of Business Conditions," in Board of Governors of the Federal Reserve System (U.S.), 1935- and Federal Reserve Board, 1914-1935. "September 1952," Federal Reserve Bulletin (September 1952) : 49-50. https://fraser.stlouisfed.org/title/62/item/21213/toc/183152 , accessed on March 28, 2024.