Crawford, C. (1801). An essay on the propagation of the gospel: In which there are numerous facts and arguments adduced to prove that many of the Indians in America are descended from the Ten Tribes (2nd ed.). Philadelphia: James Humphreys.

Crawford, Charles. An Essay On the Propagation of the Gospel: In Which There Are Numerous Facts and Arguments Adduced to Prove That Many of the Indians in America Are Descended From the Ten Tribes. 2nd ed. Philadelphia: James Humphreys, 1801.

Crawford, Charles. An Essay On the Propagation of the Gospel: In Which There Are Numerous Facts and Arguments Adduced to Prove That Many of the Indians in America Are Descended From the Ten Tribes. 2nd ed. Philadelphia: James Humphreys, 1801.