Biography (Wikipedia)
An Historical Account of the Rise and Progress of the Colonies of South Carolina and Georgia, Vol. 1 (1779)
An Historical Account of the Rise and Progress of the Colonies of South Carolina and Georgia, Vol. 2 (1779)
Sermons on Various Subjects (1803)
Letter to George Edwards (1820)
Alexander Hewat, D.D. (1858)
Transcription available here.