Western Geopolitical Thought in the Twentieth Century / Publication / By admin Book Review Western Geopolitical Thought in the Twentieth Century, Geoffrey Parker International Journal 42, Issue 2 (June 1987), 578-579. https://journals.sagepub.com/doi/pdf/10.1177/002070208704200212 http://ijx.sagepub.com/content/42/2/405.citation www.researchgate.net/publication/275773957