Federal Reserve Bank of New York. Research and Statistics Group. "Report on Business Conditions," in Federal Reserve Bank of New York. Research and Statistics Group. "September 1957, Vol. 39, No. 9," Economic Policy Review (Federal Reserve Bank of New York) (September 1957) : 1-16. https://fraser.stlouisfed.org/title/1170/item/2599/toc/366561 , accessed on May 1, 2024.