Hartshorn, J. E. Oil companies and governments : an account of the international o il industry in its political environment/ by J. E. Hartshorn. - 2nd ed. - London : Faber , 1967. - 410p. maps, tables ; 23cm. Includes bibliography. Subjects--Topical Terms: Petroleum industry and trade. Dewey Class. No.: 338.27282 HAR