1Penelope J. E. Davies,ed.,Janson's History of Art:The Western Tradition,7th Edition,Prentice Hall,NJ,2006, Marilyn Stokstad, ed. ,Art History,2th Edition,Prentice Hall, N J, 2005
2Fred S. Kleiner and Christin J. Mamiya,ed. ,Gardner's Art Through the Ages, 12th edition,Wadsworth Publishing, CA,2005
