1. Men of the Old Stone Age: Their Environment, Life and Art;Osborn,1915
2. Constant Battles: The Myth of the Peaceful, Noble Savage;LeBlanc,2003
3. A People's History of the United States;Zinn,1980
4. Journals and Other Documents on the Life and Voyages of Christopher Columbus;Morrison,1963
5. History of biological warfare and bioterrorism;Barras;Clin Microbiol Infect,2014