History 403 Politics and government 156 Social conditions 106 Law and legislation 105 Social aspects 84 Peace-building 64 Economic conditions 53 Mais ... Indians of South America 52 Research 50 Political violence 49 Study and teaching 48 Education, Higher 43 Violence 42 Education 40 History and criticism 40 Social life and customs 38 Legal status, laws, etc 34 Political aspects 34 Economic aspects 32 Women 29 Foreign relations 26 Land tenure 24 Human rights 23 Study and teaching (Higher) 23 Insurgency 22 Colombian literature 21 Environmental aspects 21 City planning 20 Training of 20 Guerrillas 19 menos ...