Popery another Gospel; or, A demonstrations that the Romish religion is not the Gospel that Christ hath left his church, but what Anti-Christ hath since devised, to the destruction of Christianity and the souls of men : In six sermons from Gal. I. 8. preached in the time of the rebellion, Anno 1745. And published to give warning to all protestants through Britain and Ireland, of the damnable errors and cruelty of popery, and of the dreadful danger and tendency of the present insurrection in its favours. With a preface relating to the justice of the revolution-principles and present establishment, and the unreasonableness of Jacobitism and disloyalty. By the late Reverend Mr. John Willison, minister of the Gospel, in Dundee.