Velde, François R. "Lessons From the History of Money," in Federal Reserve Bank of Chicago. "First Quarter 1998, Volume XXII, Issue 1," Economic Perspectives (Federal Reserve Bank of Chicago) (First Quarter 1998) : 4-18. https://fraser.stlouisfed.org/title/5288/item/578993/toc/526085 , accessed on May 9, 2024.