Thomas Burnet (1697). “The Theory of the Earth: Containing an Account of the Original of the Earth, and of All the General Changes which it Hath Already Undergone, Or is to Undergo Till the Consummation of All Things ...”, p.18
Benjamin Franklin, Edmund Sears Morgan (2006). “Not Your Usual Founding Father: Selected Readings from Benjamin Franklin”, p.257, Yale University Press
"Writer-director Corbin Bernsen finds a well-matched creative partner in 'Christian Mingle'". Interview with John W. Kennedy, www.beliefnet.com. February 2015.