Humphrey, Thomas M. "Nonneutrality of Money in Classical Monetary Thought," in Federal Reserve Bank of Richmond. "March-April 1991, Vol. 77," Economic Quarterly (Federal Reserve Bank of Richmond) (March-April 1991) : 1-13. https://fraser.stlouisfed.org/title/960/item/477365/toc/501817 , accessed on March 29, 2024.