1. James Dale Davidson and Lord William Rees-Mogg. The Sovereign Individual: How to Survive and Thrive During the Collapse of the Welfare State. Simon and Schuster, 1997.
2. John Kenneth Galbraith. Money: Whence it came, where it went. Bantam, 1975.
3. Jack Weatherford. The History of Money. Crown Publishers, 1997.