Two letters of advice : I. For the susception of holy orders. II. For studies theological, especially such as are rational. [A]t the end of the former, is inserted, a catalogue of the Christian writers and genuine works that are extant of the first three centuries. The third edition corrected and improved. Together with the appendix to the second letter, concerning Sanchoniathon's Phœnician history. By Henry Dodwell, M.A. and sometime Fellow of Trinity College near Dublin in Ireland.