Ottenberg, Simon. Double descent in an African society; the Afikpo village-group. - Seattle, University of Washington Press [1968] - American Ethnological Society.Monograph ; 47 . - Monographs of the American Ethnological Society ; 47. . Bibliography: p. 271-278. ISBN: 7.95 LCCN: 68009133 //r862 Subjects--Topical Terms: Double descent (Kinship)Igbo (African people) LC Class. No.: E51 / .A556 vol. 47 Dewey Class. No.: 301.44/2/096694