David Brainerd (1818). “The Life of the Rev. David Brainerd, Missionary to the Indians: From the Honourable Society in Scotland for Propagating Christian Knowledge; who Died at Northampton in New England, Oct. 9, 1747 ...”, p.242
Jonathan Mayhew (1750). “A Discourse Concerning Unlimited Submission and Non-resistance to the Higher Powers: With Some Reflections on the Resistance Made to King Charles I, and on the Anniversary of His Death: in which the Mysterious Doctrine of the Princes' Saintship and Martyrdom is Unriddled: the Substance of which was Delivered in a Sermon Preached in the West Meeting-house in Boston the Lord's-day After the 30th of January, 1749/50...”, p.38