- Two Old Faiths: Essays on the Religions of the Hindus and the Mohammedans
- The Cor�n: Its Composition and Teaching, and the Testimony it Bears to the Holy Scriptures
- The Apology of Al Kindy, Written at the Court of Al Mâmûn (A. H. 215; A. D. 830) in Defense of Chris
- The Life of Mohammad from Original Sources
- The Testimony Borne By The Cor�n To The Jewish And Christian Scriptures