Louis L'Amour (2014). “The Sacketts Volume One 5-Book Bundle: Sackett's Land, To the Far Blue Mountains, The Warrior's Path, Jubal Sackett, Ride the River”, p.862, Bantam
"'Eat, Pray, Love' Author Elizabeth Gilbert Gave A Fascinating TED Talk On The Dark Side Of Success" by Drake Baer, www.businessinsider.com. March 20, 2014.