Ottenberg Simon Double descent in an African Society The Afikpo v Ottenberg Simon - Seattle University of Washington Press 1968 - xviii,284p cm. - American Ethnological Society, Monography. Ed by June Helm.47 . Bibliography: p 271-78; Glossary: p 267-70 Source: General Book Subjects--Topical Terms: Marriage and Kinship Dewey Class. No.: Y22.6.N6, K8