The family and population control: a Puerto Rican experiment in social change/
by Reuben Hill, J. Mayone Stycos [and] Kurt W. Back.
- Chapel Hill, University of North Carolina Press 1959
- 481 p.: illus.
"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."