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                <http://www.militaryhistorywiki.org/vietnam-war/chemical-warfare-in-vietnam/> 

“Spanish Civil War.” History World Intertional. 2011. 11 May. 2011.

                <http://history-world.org/spanish_civil_war.htm>

Tonge, Stephen. “The Spanish Civil War.” The Web of English History. 11 May. 2011

                 <http://www.historyhome.co.uk/europe/spaincw.htm>

Stock, George. “Buna Beach: Shock of Real.” LIFE. 11 May. 2011

                <http://www.life.com/gallery/51631/image/ugc1138651#index/3>