George Santayana, William G. Holzberger (2003). “The Works of George Santayana: The letters of George Santayana. 1933-1936. Vol. 5. Book 5”, p.162, MIT Press
John Sergeant Wise, Paul Dennis Sporer (2005). “End of an Era: The Last Days of Traditional Southern Culture as Seen Through the Eyes of a Young Confederate Soldier”, p.40, Anza Publishing