- Political Ideas of the American Revolution: Britannic-American Contributions to the Problem of Imperial Organization, 1765 to 1775
- A history of the foreign policy of the United States
- Three Americanists: Henry Harrisse, Bibliographer; George Brinley, Book Collector; Thomas Jefferson, Librarian
- Lexington to Fallen Timbers, 1775-1794; episodes from the earliest history of our military forces
- Political Ideas of the American Revolution..