00622nam a2200157Ia 4500001000700000003000500007005001700012008004100029110007700070245006100147260005900208300003700267490009400304650003500398650003100433144761BIBL20160527194617.0940112s1926||||nyuab  ||||||||||1||eng|d20aColumbia University.bTeachers College.bInternational Institute.2Local12aA survey of the public educational system of Porto Rico.  aNew YorkbTeachers College, Columbia Universityc1926.  aX, 453 p.bmap., tables, diagrs.0 aStudies of the International Institute of Teachers College, Columbia Universityv82Local 0aEducationzPuerto Rico.2Local 0aEducational surveys2Local