Rules for the discovery of false prophets: or The dangerous impositions of the people called Methodists detected at the bar of scripture, and reason : A sermon preached before the University at St. Mary's in Oxford, on Whitsunday 1758. With a preface in vindication of certain articles proposed to the serious consideration of the Company of Salters in London: and an appendix containing authentick vouchers; from the writings of the Methodists, &c. in support of the charge, which has been brought against them. By John Free, D.D. Vicar of East-Coker in Somersetshire, Thursday-Lecturer of St. Mary-Hill, London, and Lecturer of Newington in Surry.