George Whitefield (1771). “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 Orignial Papers and Letters”, p.82
Wallace D. Wattles, Dr. Robert C. Worstell, Louis M. Grafe, N. H. Moos, John McDonald “Get Rich In Spite of Yourself Collection - An "If You Can Count to Four..." Reference”, Lulu.com
Alexander Hamilton, John Church Hamilton (1850). “The Works of Alexander Hamilton: Miscellanies, 1774-1789: A full vindication; The farmer refuted; Quebec bill; Resolutions in Congress; Letters from Phocion; New-York Legislature, etc”, p.443
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.122