- Mr. Harper's speech, on the foreign intercourse bill, in reply to Mr. Nicholas and Mr. Gallatin. Delivered in the committee of the whole of the House ... States, on Friday the second of March, 1798.
- An address from Robert Goodloe Harper, of South-Carolina, to his constituents; containing his reasons for approving of the treaty of amity, commerce and navigation, with Great-Britain.
- Speech of Robert Goodloe Harper, Esq., at the Celebration of the Recent Triumphs of the Cause of Mankind, in Germany: Delivered at Annapolis, January ... of Arrangements, and Published by Their Order
- A Short Account of the Principal Proceedings of Congress in the Late Session and a Sketch of the State of Affairs Between the United States and France in July, 1798.
- Observations on the dispute between the United States and France, addressed by Robert Goodloe Harper, Esq. ... to his constituents, in May, 1797. ... Fifth edition.