"Golden Booklet of the True Christian Life" by John Calvin, Baker Books, a division of Baker Publishing Group, Grand Rapids, Michingan, United States, (p. 45), December 1, 2004.
Robert Green Ingersoll (1889). “The Limitations of Toleration: A Discussion Between Robert G. Ingersoll, Frederic R. Coudert, Stewart L. Woodford, Before the Nineteenth Century Club, of New York, at the Metropolitan Opera House”