- Life of James Buchanan: Fifteenth President of the United States; Volume 1
- A Treatise on the Law of Patents for Useful Inventions in the United States of America
- A Memoir of Benjamin Robbins Curtis, Ll. D.: With Some of His Professional and Miscellaneous Writings, Volume 1
- Constitutional History of the United States, from Their Declaration of Independence to the Close of Their Civil War (Two Volume Set)
- History of the Origin, Formation, and Adoption of the Constitution of the United States: With Notices of Its Principal Framers, Volume 1, Part 2