History 59 Politics and government 18 History and criticism 16 Social aspects 13 Social conditions 12 Portuguese poetry 8 Criticism and interpretation 7 more ... Excavations (Archaeology) 7 Monarchy 7 Translations into Spanish 7 Civilization 6 Emigration and immigration 6 Nobility 6 Philosophy 6 Political aspects 6 Relations 6 Spanish literature 6 Democracy 5 Historia 5 Historiography 5 Portuguese literature 5 Study and teaching 5 Antiquities 4 Condiciones sociales 4 Education 4 Indians of South America 4 Literature, Medieval 4 Mass media 4 Portuguese language 4 Religious aspects 4 less ...