- A Country of Vast Designs: James K. Polk, the Mexican War and the Conquest of the American Continent
- President McKinley: Architect of the American Century
- Decade of Disunion: How Massachusetts and South Carolina Led the Way to Civil War, 1849-1861
- Taking on the World: Joseph and Stewart Alsop, Guardians of the American Century
- Sands of Empire: Missionary Zeal, American Foreign Policy, and the Hazards of Global Ambition
- Edgar Pangborn
- Ken Gormley
- John H. Crawford
- James McClellan
- John French
- Jason Emerson
- Matt Pietrek
- Robert Goetz
- Al Gedicks
- Douglas Miller
- Zygmunt J.B. Plater
- Lisa Heinzerling
- Robert H. Abrams
- Sarah Cawkwell
- Angela Roddey Holder
- Charles A. Wood
- Daniel R. Mandelker
- Noah D. Hall
- Robert L. Graham
- Василий Ключевский