00953nam a2200205Ia 4500001000700000003000500007005001700012008004100029100003000070245009500100260004800195300004600243500011000289500012500399504003300524650002100557650003500578651004300613710009100656108829BIBL20160527182637.0930224|1955||||nyua   ||||||||0|1||eng|d10aStycos, J. Mayone.2Local10aFamily and fertility in Puerto Ricoba study of the lower income group / J. Mayone Stycos.0 aNew York,bColumbia University Pressc1958.  axv, 332 p.bill., diagrs., forms, tables.  aAt head of title : Social Sciences Research Center College of Social Sciences, University of Puerto Rico.  a"First volume of the final report of the Family Life Research Project undertaken by the Social Science Research Center."  aBibliography : p. [316]-322] 0aFertlity.2Local 0aMarriage.zPuerto Rico.2Local 0aPuerto RicoxStatistics, Vital.2Local20aP.R. Universidad. Recinto de Río Piedras. Centro de Investigaciones Sociales.2Local