Mark Twain, John Sutton Tuckey (1980). “The Devil's Race-track: Mark Twain's Great Dark Writings : the Best from Which was the Dream? and Fables of Man”, p.317, Univ of California Press
"They're Not Heavy; They're His People; 72-Year-Old Sri Chinmoy Offers An Uplift Beyond the Spiritual" by Corey Kilgannon, www.nytimes.com. July 1, 2004.
William Cobbett (1829). “Advice to Young Men, and, incidentally, to Young Women, in the middle and higher ranks of life. In a series of letters, etc”, p.47