http://www.history.navy.mil/photos/events/kowar/kowar.htm
http://history.state.gov/milestones/1945-1952/korean-war-2
http://www.archives.gov/education/lessons/korean-conflict/
http://news.nationalgeographic.com/news/2013/08/130805-korean-war-dmz-armistice-38-parallel-geography/
http://www.britannica.com/EBchecked/topic/592578/38th-parallel
http://history.state.gov/milestones/1945-1952/korean-war-2
http://www.archives.gov/education/lessons/korean-conflict/
http://news.nationalgeographic.com/news/2013/08/130805-korean-war-dmz-armistice-38-parallel-geography/
http://www.britannica.com/EBchecked/topic/592578/38th-parallel