History 383 Politics and government 150 Law and legislation 105 Social conditions 105 Social aspects 83 Peace-building 64 Economic conditions 52 más ... Indians of South America 51 Political violence 49 Research 49 Study and teaching 47 Violence 42 Education 40 Education, Higher 40 History and criticism 39 Legal status, laws, etc 34 Political aspects 34 Social life and customs 34 Economic aspects 32 Women 29 Foreign relations 26 Land tenure 24 Human rights 23 Insurgency 22 Study and teaching (Higher) 22 Colombian literature 21 Environmental aspects 21 City planning 20 Training of 20 Guerrillas 19 menos ...