Humphrey, Thomas M. "Keynes on Inflation," in Federal Reserve Bank of Richmond. "1980 Annual Report : Keynes on Inflation," Annual Report of the Federal Reserve Bank of Richmond (as of December 31, 1980) : 7-18. https://fraser.stlouisfed.org/title/471/item/18199/toc/503191 , accessed on April 23, 2024.