Educación Education 599 Aspectos sociales 98 Ensenañza 98 Estudio y ensenañza 98 Language and languages 98 Language arts 98 Lenguaje 98 Social aspects 98 Study and teaching 98 Teaching 98 General 37 Investigación 13 Ciencias sociales 11 Social Science 11 Sociología 11 Sociology 11 Research 10 Enseñanza superior 7 Education, Higher 6 Universidades 6 Universities and colleges 6 Educación superior 3 Estudiantes y vida estudiantil 3 Higher 3 Periodicals 3 Publicaciones periódicas 3 Students and student life 3 Action research in education 2 Adult and continuing education 1