Cohen, Abner. Custom & politics in urban Africa; a study of Hausa migrants in Yoruba towns / Abner Cohen, - Berkeley, University of California Press, 1969. - xii, 252 p. map. 23 cm. Bibliography: p. 231-238. LCCN: 68055743 Subjects--Topical Terms: Hausa (African people)--Migrations.Yoruba (African people)--Social conditions.Rural-urban migration--Nigeria.Indigenous peoples--Urban residence--Nigeria. Subjects--Geographic Terms: Nigeria--Social conditions.Nigeria--Ethnic relations. Dewey Class. No.: 325.26 / COC 1969