Griffiths, Martin, 1961- Fifty key thinkers in international relations / Martin Griffiths. - 2nd ed. - London : Routledge, 2009. - ix, 404 p. ; 22 cm. ISBN: 9780415775717 0415162289 (pbk) Subjects--Topical Terms: International relations--Philosophy. Dewey Class. No.: 327.1/092/2