Cherneff, Jill B. R. Gender roles, economic relations and culture change among the Bontoc Igorot of Nothern Luzon, Philippines [microform] / Jill B. R. Cherneff. - Ann Arbor, Mich. : University Microfilms International, 1983. - 2 microfiches ; 11 x 15 cm. Thesis (Ph.D.)-School for Social Research, 1982 Subjects--Topical Terms: Women--Luzon--History.--PhilippinesWomen--Luzon (Philippines)--Social conditions.