The family and population control a Puerto Rican experiment in social change

By Hill, Reuben.
Chapel Hill University of North Carolina Press 1959 .
481 p. , "A Social Science Research Center Study, College of the Social Sciences, University of Puerto Rico, in cooperation with the Institute for Research in Social Science, the University of North Carolina."

Family development in three generations a longitudinal study of changing family patterns of planning and achievement

By Hill, Reuben.
Cambridge, Mass. Schenkman Pub. Co. 1970 .
xix, 424 p. , 920602

PUCPR Search for 'an:235180'

The family and population control a Puerto Rican experiment in social change

Family development in three generations a longitudinal study of changing family patterns of planning and achievement