Henry Walter Bates (1873). “The Naturalist on the River Amazons: A Record of Adventures, Habits of Animals, Sketches of Brazilian and Indian Life, and Aspects of Nature Under the Equator, During Eleven Years of Travel”, p.253
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.6, Anza Publishing