Leith, C. K. World minerals and world politics: a factual study of minerals in their political and international relations / C. K. Leith - New York : McGraw-Hill , 1931 - xii, 213 p. : ill. ; 20 cm. Includes bibliographical references and index. Subjects--Topical Terms: Natural resourcesMineral resources Dewey Class. No.: 333.9 / LEI