Oldiees Publishing, James Allen (2015). “The Book of Passion: From Passion to Peace - AUDIO EDITION OF SELF IMPROVEMENT IDEAS & INSPIRATIONAL QUOTES FOR PERSONAL DEVELOPMENT”, p.8, Oldiees Publishing
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.473