History 271 History and criticism 172 General 112 Education 94 Educación 87 Historia 75 Study and teaching 70 more ... Criticism and interpretation 68 Motion picture plays, Spanish 67 Politics and government 62 Education, Higher 61 Social aspects 61 Ciencias sociales 58 Psychology 58 Medicina 57 Psicología 55 Spanish language 51 Social conditions 50 Spanish literature 46 Science 45 Philosophy 42 Women 40 Social Science 38 Economic conditions 36 Enseñanza universitaria 36 Publicaciones periódicas 35 Tecnología 35 Food poisoning 34 Intoxicación por alimentos 33 Technology 33 less ...