George Whitefield (1772). “The Works of the Reverend George Whitefield, M.A...: Containing All His Sermons and Tracts which Have Been Already Published: with a Select Collection of Letters... Also, Some Other Pieces on Important Subjects, Never Before Printed; Prepared by Himself for the Press; to which is Prefixed, an Account of His Life, Compiled from His Original Papers and Letters”, p.27
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