History 215 Education 57 History and criticism 54 Politics and government 31 Study and teaching (Elementary) 30 Social aspects 24 English literature 20 más ... Foreign relations 19 Study and teaching 19 Colonies 18 Law and legislation 18 Social conditions 18 Women 18 Study and teaching (Secondary) 16 English fiction 15 Economic conditions 14 Special education 14 Activity programs 13 Criticism and interpretation 13 English language 13 Government policy 13 Administration 12 Political aspects 12 Children with disabilities 11 Inclusive education 11 School management and organization 11 Services for 11 Education, Elementary 10 Education, Secondary 10 Literacy 10 menos ...