John Adams, Charles Francis Adams (1856). “The Works of John Adams, Second President of the United States: With a Life of the Author, Notes and Illustrations”, p.254
Thomas Watson (1794). “A Body of Practical Divinity Consisting of Above One Hundred and Seventy-six Sermons on the Shorter Catechism Composed by the Reverend Assembly of Divines at Westminster: With a Supplement of Some Sermons on Several Texts of Scripture Together with the Art of Divine Contentment ; to which is Added, Christ's Various Fulness”, p.233