Speech in Ottawa on January 10, 1946. "Eisenhower Speaks: Dwight D. Eisenhower in His Messages and Speeches". Book edited by Rudolph L. Treuenfels, 1948.
Letter from the field of Waterloo in June 1815. "The Fifteen Decisive Battles of the World: From Marathon to Waterloo" by Edward Shepherd Creasy, 1851.
Friedrich Nietzsche (2017). “THUS SPOKE ZARATHUSTRA (Modern Classics Series): The Magnum Opus of the World’s Most Influential Philosopher, Revolutionary Thinker and the Author of The Antichrist, The Birth of Tragedy & Beyond Good and Evil”, p.40, e-artnow