The New American Nation Series (1963–2011)
- Franklin D. Roosevelt and the New Deal, 1932-1940 (1963)
- Spain in America (1969)
- Woodrow Wilson and the Progressive Era, 1910-1917 (1972)
- The Unraveling of America (1985)
- The Awakening of American Nationalism (1994)
- The Far Western Frontier, 1830-1860 (1995)
- The Federalist Era, 1789-1801 (1998)
- The Cultural Life of the American Colonies (2002)
- The Impending Crisis (2011)