http://www.history.com/topics/vietnam-war
http://www.pbs.org/battlefieldvietnam/
http://www.britannica.com/EBchecked/topic/628478/Vietnam-War
http://www.digitalhistory.uh.edu/era.cfm?eraid=18
http://history1900s.about.com/od/vietnamwar/a/vietnamwar.htm
http://www.pbs.org/battlefieldvietnam/
http://www.britannica.com/EBchecked/topic/628478/Vietnam-War
http://www.digitalhistory.uh.edu/era.cfm?eraid=18
http://history1900s.about.com/od/vietnamwar/a/vietnamwar.htm