to Mackinder's thinking, the development of his theory after World War I (with many quotes) and its influence on geo-strategic thinking. Venier, Pascal. "The Geographical Pivot of History and Early 20th Century Geopolitical Culture", Geographical Journal, vol. 170, no 4, December 2004, pp. 330–336. William R. Keylor, The Twentieth-Century World and Beyond: An International History Since 1900, 2006. External links The Geographical Pivot of History (The Internet Archive version) The Geographical Journal, April 1904. Democratic Ideals and Reality, Washington, DC: National Defence University Press, 1996, pp. 175–194 Non-fiction books about the Great Game Works about the theory of history Works about geopolitics 1904 documents