Authentic Report of the Public Discussion Between Joseph Barker and William Cooke, in the Lecture Room, Newcastle-upon-Tyne, on August 19th, 20th, 21st, 22nd, 26th, 27th, 28th, and Sept. 2nd, 3rd, and 4th, on the Question, what is a Christian? and on the Doctrines of the Atonement, the Trinity, Natural Depravity, Eternal Torments, &c., with an Appendix