- Eulogy delivered in the Senate of the United States, on the 2d day of February, 1844, on the annunciation to that body of the death of the Hon. Alexander Porter, late a senator from Louisiana
- Speeches of Messrs. Buchanan and Benton, on the Bill to Admit the State of Michigan Into the Union
- Biography of Martin Van Buren, Vice President of the United States. With an Appendix, Containing Selections From His Writings ... With Other Valuable Documents, Among Which Will Be Found the Late Lett
- The Garden of the World, or the Great West
- Speech of Mr. Benton, of Missouri, Delivered in the Senate of the United States, (in Secret Session, ) on the Mission to Panama, March 13, 1826