1. Adams, James Truslow (1931). The Epic of America.
2. Bordo, M., and Schenk, C. (2018). ‘Monetary Policy Cooperation and Coordination: An Historical Perspective on the Importance of Rules’, In Bordo, M., Taylor, J.B. (eds) (2017). Rules for International Monetary Stability. Stanford: Hoover Institution.
3. Brown, B. (2018). The Case Against 2 Per Cent Inflation: From Negative Interest Rates to a 21st Century Gold Standard. Palgrave Macmillan.
4. Deane, M., and Pringle, R. (1994). The Central Banks. London: Hamish Hamilton.
5. “Advertising in the 1920s,” EyeWitness to History,
www.eyewitnesstohistory.com
(2000).