References (They really helped :D)
south-pole.com
coolantartica.com
s.org/wgbh/nova/shackleton/1914
http://main.wgbh.org/imax/shackleton
http://www.solarnavigator.net/history/sir_ernest_shackleton.htm
coolantartica.com
s.org/wgbh/nova/shackleton/1914
http://main.wgbh.org/imax/shackleton
http://www.solarnavigator.net/history/sir_ernest_shackleton.htm