Henry David Thoreau (2017). “HENRY DAVID THOREAU – The Man, The Philosopher & The Trailblazer (Illustrated): Biographies, Memoirs, Autobiographical Books & Personal Letters (Including Walden, A Week on the Concord and Merrimack Rivers, The Maine Woods, Cape Cod, A Yankee in Canada…)”, p.37, e-artnow
William Gurnall (1669). “The Christian in Compleat Armour, Or, 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 ...”, p.178