- Fiat Money Inflation in France, How It Came, What It Brought, And How It Ended
- A History of the Warfare of Science With Theology in Christendom (Great Minds Series)
- A History of the Warfare of Science with Theology in Christendom, Volume II
- The War Between the States
- Historical Sketches of the Paper Currency of the American Colonies, Prior to the Adoption of the Federal Constitution ..