Wayne W. Dyer (2009). “The Invisible Force: 365 Ways to Apply the Power of Intention to Your Life: Easyread Super Large 20pt Edition”, p.120, ReadHowYouWant.com
"Exclusive: Jonathan Franzen sounds off on bird poaching, climate change and “performing love”". Interview with LIindsay Abrams, www.salon.com. April 27, 2015.
"Life Thoughts, Gathered from the Extemporaneous Discourses of Henry Ward Beecher, by One of His Congregation". Book edited by Edna Dean Proctor, 1859.