Nag, Moni. Factors affecting human fertility in the nonindustrial societies : a cross-cultural study. - New Haven : Dept. of Anthropology, Yale University, 1962. - Yale University publications in anthropology ; no. 66 . Bibliography: p. 151-165. LCCN: a 62008738 Subjects--Topical Terms: Fertility, Human. LC Class. No.: GN2 E77.Y3no.66 / .Y3 no. 66