- Debate at the Lane Seminary, Cincinnati.: Speech of James A. Thome, of Kentucky, Delivered at the Annual Meeting of the American Anti-slavery Society, ... Against the American Colonization Society
- Quakerism Not Christianity, Or, Reasons for Renouncing the Doctrine of Friends
- The History of the Popes, Vol. 2 of 3: From the Foundation of the See of Rome to A. D. 1758
- Interviews; Memorable and Useful: From Diary and Memory Reproduced
- The History of the Popes: From the Foundation of the See of Rome to the Present Time, Volume III