Morel, E. D. Nigeria: its peoples and its problems / by E. D. Morel. - 3rd ed. - London: Cass, 1968. - xl, 264p. : ills. Includes bibliographical footnotes and index. Subjects--Topical Terms: Ethnology -- Nigeria. Subjects--Geographic Terms: Nigeria -- Description and travel. LC Class. No.: DT 515 MOR 1968