History 408 Politics and government 167 Social conditions 109 Law and legislation 108 Social aspects 84 Peace-building 64 Economic conditions 55 mere ... Indians of South America 52 Political violence 50 Research 50 Study and teaching 49 Education, Higher 43 Education 42 History and criticism 42 Violence 42 Social life and customs 39 Legal status, laws, etc 36 Political aspects 35 Economic aspects 32 Women 29 Foreign relations 26 Human rights 26 Land tenure 25 Study and teaching (Higher) 23 Insurgency 22 Colombian literature 21 Environmental aspects 21 Blacks 20 City planning 20 Training of 20 mindre ...