Nathaniel Hawthorne (2015). “Complete Novels of Nathaniel Hawthorne (Illustrated Edition): Fanshawe, The Scarlet Letter with its Adaptation, The House of the Seven Gables, The Blithedale Romance, The Marble Faun, The Dolliver Romance, Septimius Felton, Grimshawe's Secret and Biography”, p.461, e-artnow
Wallace D. Wattles, Dr. Robert C. Worstell, Louis M. Grafe, N. H. Moos, John McDonald “Get Rich In Spite of Yourself Collection - An "If You Can Count to Four..." Reference”, Lulu.com
Wallace D. Wattles (2015). “The Science of Being Great: Personal Self-Help Book of Wallace D. Wattles (Unabridged): From one of The New Thought pioneers, author of The Science of Getting Rich, The Science of Being Well, How to Get What You Want, Hellfire Harrison, How to Promote Yourself and A New Christ”, p.33, e-artnow