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Continue to ChatHalford Mackinder, Britain and the British Seas, 1902 http://ringmar.net/irhistorynew/index.php/2017/03/17/halford-mackinder-britain-and-the-british-seas-1902/
Halford Mackinder, Britain and the British Seas, 1902 http://ringmar.net/irhistorynew/index.php/2017/03/17/halford-mackinder-britain-and-the-british-seas-1902/