"Charlie Hunnam Talks FRANKIE GO BOOM, the Success of SONS OF ANARCHY, His Desire to Direct, and More". Interview with Christina Radish, collider.com. October 13, 2012.
Thomas Chalmers, John Cumming (1853). “On the Power Wisdom and Goodness of God as Manifested in the Adaptation of External Nature to the Moral and Intellectual Constitution of Man by Thomas Chalmers”, p.57