William Gurnall (1979). “The Christian in Complete Armour: A Treatise of the Saints' War Against the Devil: Wherein a Discovery is Made of that Grand Enemy of God and His People, in His Policies, Power, Seat of His Empire, Wickedness, and Chief Design He Hath Against the Saints : a Magazine Opened, from Whence the Christian is Furnished with Spiritual Arms for the Battle, Helped on with His Armour, and Taught the Use of His Weapon: Together with the Happy Issue of the Whole War”, Banner of Truth