Most Popular Books
- Winchester,: The gun that won the West
- The American Petroleum Industry, V1: The Age of Illumination, 1859-1899
- The American Petroleum Industry, V2: The Age of Energy, 1899-1959
- The Growth of the American Economy : An Introduction to the Economic History of the United States
- Edward Atkinson: The Biography Of An American Liberal, 1827-1905
