- The Olive Branch Petition to King George III of England from the Second Continental Congress, Signed by Forty-Six of Its Members
- Three Americanists: Henry Harrisse, Bibliographer; George Brinley, Book Collector; Thomas Jefferson, Librarian
- Political Ideas of the American Revolution..
- 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


















