John Bunyan (1853). “The Works of John Bunyan: With an Introduction to Each Treatise, Notes, and a Sketch of His Life, Times, and Contemporaries ...”, p.303
David Brainerd (1822). “Memoirs of the Rev. David Brainerd: Missionary to the Indians on the Borders of New-York, New-Jersey, and Pennsylvania: Chiefly Taken from His Own Diary”, p.63