Discourse concerning the conversion of the heathen Americans, and the final propagation of Christianity and the sciences to the ends of the earth. In two parts. [electronic resource] : Part I. Preached before a voluntary convention of the Episcopal Clergy of Pennsylvania, and places adjacent, in Christ Church Philadelphia, May 2d, 1760; and published at their joint request. Part II. Preached in the College of Philadelphia, before the trustees, masters and scholars, at the first anniversary commencement. By William Smith, D.D. provost of the College and Academy of Philadelphia.