Wright, Charles Henry Conrad, A History of French Literature, Oxford University Press, 1912.
 "The Cambridge Companion to Voltaire", ed by Nicholas Cronk, 2009.
 Daniel S. Burt, The biography book: a reader's guide to nonfiction, fictional, and film biographies of more than 500 of the most fascinating individuals of all time, Greenwood Publishing Group, 2001. ISBN 1-57356-256-4.
 Gerhard Ritter, Peter Paret, Frederick the Great: a historical profile, University of California Press, 1968.
 Heinrich Von Treitschke, George Haven Putnam, Douglas Sladen, Confessions of Frederick the Great and the Life of Frederick the Great, The Minerva Group, Inc., 2001. ISBN 0-89875-536-0.
 Trevor Nevitt Dupuy, The military life of Frederick the Great of Prussia, F. Watts, 1969.
 Christopher Duffy, Frederick the Great: A Military Life, Routledge, 1988. ISBN 0-415-00276-1.
 Christopher M. Clark, Iron kingdom: the rise and downfall of Prussia, 1600-1947, Harvard University Press, 2006. ISBN 0-674-02385-4.
 Baron Thomas Babington Macaulay Macaulay, Life of Frederick the Great. Delisser & Procter, 1859.
 James Freeman Clarke, Nineteenth century questions, Ayer Publishing, 1897. ISBN 0-8369-2539-4.
 Wayne Andrews, Voltaire, New Directions Publishing, 1981. ISBN 0-8112-0802-8.
 Armstrong Starkey, War in the Age of Enlightenment, 1700-1789, Greenwood Publishing Group, 2003. ISBN 0-275-97240-2.
 Jay Luvaas, Frederick the Great on the Art of War, Da Capo Press, 1999. ISBN 0-306-80908-7.
 American Society of the French Legion of Honor, The American Society Legion of Honor magazine, Tập 13-14, American Society of the French Legion of Honor., 1942.
 Alexander J. Nemeth, Voltaire's tormented soul: a psychobiographic inquiry, Associated University Presse, 2008. ISBN 0-934223-92-0.
 Henri Troyat, Catherine the Great, Berkley Books, 1989. ISBN 0-425-07981-3.
 Christopher Thacker, Voltaire, Taylor & Francis, 1971. ISBN 0-7100-7020-9.
 Sara J. Schechner, Sara Schechner Genuth, Comets, Popular Culture, and the Birth of Modern Cosmology, Princeton University Press, 1999. ISBN 0-691-00925-2.
 Lê Hải, Voltaire và tư duy lý tính Blog Sổ tay nghiên cứu 2011.