00000cam a22000004a 4500 UP-1685523046125227436 Buklod 20230503092606.0 aa r |||| u| ta 991231s1963 xx r |||| u|eng|| (iLib)UPMNL-00000035649 HB891 W4 Westoff, Charles F. Princton University. Office of Population Research National Analysts, Inc. The third child a study in the prediction of fertility C. F. Westoff, Robert G. Potter, Jr. and Philip C. Sagi. Princeton, NJ Princeton University Press 1963 293 p. ill. A study and analysis of the results of a survey conducted in 1960 by National Analysts, Inc., Philadelphia, prepared by members of the Office of Population Research of Princeton University. Family size. Fertility, Human. H-7104 H-Unacc. c2 Me-20794 UPMNL CPH HB891 W4 UPMNL MED HB891 W4 Book