A fannaticks letter sent out of the dungeon of the gate-house prison of VVestminster: to all his brethren in the three nations at liberty; and also in the several goales and dungeons therein, that are under all the principles of the doctrines of Christ, Heb. 6. I, 2. By Henry Adis, a baptized believer, undergoing the name of a free-willer; and also most ignomineously by the tongue of infamy, called a fannatick, or a mad man.