Spiegel, Steven L. Dominance and diversity: the international hierarchy [by] Steven L. Spiegel. - Boston, Little, Brown [1972] - ix, 309 p. 21 cm. Includes bibliographical references. LCCN: 76187712 Subjects--Topical Terms: International relations. LC Class. No.: JX1395 / .S64 Dewey Class. No.: 327