History 38 Description and travel 19 Politics and government 13 Historia 12 Social conditions 10 Indians of South America 8 Women 8 more ... Mujeres 7 Political activity 7 Actividad política 6 Economic integration 6 Trabajo 6 Women employees 6 Heads of state 5 Travel 5 Biography 4 Civilization 4 Discovery and exploration 4 Ethnology 4 Foreign economic relations 4 Política y gobierno 4 Biografías 3 Emigration and immigration 3 Generals 3 History and criticism 3 Indios de América del Sur 3 Natural history 3 Natural resources 3 Political and social views 3 Scientific expeditions 3 less ...