Nolan Ryan, Skip Bayless, Tom House (1991). “Nolan Ryan's Pitcher's Bible: The Ultimate Guide to Power, Precision, and Long-Term Performance”, p.30, Simon and Schuster
HG Wells, Rudy Rucker, Colin Wilson (2013). “The Last Books of H.G. Wells: The Happy Turning: A Dream of Life & Mind at the End of its Tether”, p.54, Monkfish Book Publishing
Nolan Ryan, Skip Bayless, Tom House (1991). “Nolan Ryan's Pitcher's Bible: The Ultimate Guide to Power, Precision, and Long-Term Performance”, p.30, Simon and Schuster
Mahatma Gandhi, Jawaharlal Nehru, Rabindranath Tagore (1968). “Wit and Wisdom of Gandhi, Nehru, Tagore: Being a Treasury of Over Ten Thousand Invaluable and Inspiring Thoughts, Views, and Obervations on about Eight Hundred Subjects of Popular Interest, Collected from the Speeches and Writings of These Three Great Leaders of Modern India”