00931nam a2200217 a 450000100090000000800410000901000170005004000440006708200130011110000240012424501220014826000540027030000280032450001940035265000220054665000170056870000220058570000200060771000280062771000580065510318915100119s1963 xx 000 0 eng d a 63012672  aDLCcDNLMdODaWUdOCoLCdDLCdDB-DhAAL 00a304.6/341 aWestoff, Charles F.14aThe third child :ba study in the prediction of fertility /cCharles F. Westoff , Robert G. Potter and Philip C. Sagi aPrinceton, N.J. :bPrinceton Univ. Press, c1963. axxiii, 293 p. ;c23 cm. aA 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. 0aFertility, Human. 0aFamily size.1 aPotter, Robert G.1 aSagi, Philip C.2 aNational Analysts, inc.2 aPrinceton University.bOffice of Population Research.