- Autobiography of Seventy Years; Volume 1
- The function of the American lawyer in the founding of states: an address delivered before the graduating classes at the fifty-seventh anniversary of the Yale Law School on June 28th, 1881.
- Charles Sumner; his complete works, with introduction by Hon. George Frisbie Hoar Volume 2
- Rufus Putnam, Founder and Father of Ohio. An Address
- Our Duty to the Philippines: A Letter