Most Popular Books
- Steamboats on the Western Rivers: An Economic and Technological History (Dover Books on Transportation, Maritime)
- Waterpower in the Century of the Steam Engine (A History of Industrial Power in the United States, 1780-1930)
- A History of Industrial Power in the U.S., 1780-1930: Vol 3: The Transmission of Power
- History of Industrial Power in the U. S., 1780-1930: Steam Power
- Studies in the Economic History of the Ohio Valley (The American scene: comments and commentators)
