A serious exercitation upon, or an impassionate vindication of 1 John 5.20. This is the true God--in reference to a printed conference between Mr. Samuel Eaton, and Mr. John Knowles for the beating out of the truth concerning the divinity of Jesus Christ. / By Thomas Porter M.A. Minister of the Gospel at Whitchurch. Decemb. 26. 1650. Imprimatur, Edm. Calamy.