Longrigg, Stephen Hemsley. Oil in the Middle East : its discovery and development / Stephen Hemsley Longrigg. - 3d ed. - London : Oxford University Press, 1968. - xii, 519 p. : maps, tables ; 23 cm. Issued under the auspices of the Royal Institute of International Affairs. Subjects--Topical Terms: Petroleum industry and trade--Middle East. Dewey Class. No.: 338.20956 / LOO 1968