Ralph Waldo Trine, Mina Parker (2012). “Thoughts I Met on the Highway: Create the Life You Want, A Hampton Roads Collection”, p.14, Hampton Roads Publishing
Ralph Waldo Trine, Mina Parker (2012). “Thoughts I Met on the Highway: Create the Life You Want, A Hampton Roads Collection”, p.4, Hampton Roads Publishing
Ralph Waldo Trine, Mina Parker (2012). “What All the World’s A-Seeking: The Vital Law of True Life, True Greatness, Power, and Happiness”, p.77, Hampton Roads Publishing