History 100 History and criticism 62 Spanish literature 26 Criticism and interpretation 20 Politics and government 20 Spanish language 20 Study and teaching 20 Mais ... Social aspects 17 Emigration and immigration 14 Antiquities 13 Civilization 12 Excavations (Archaeology) 11 Peace-building 10 Philosophy 9 Social conditions 9 Colonies 8 Education, Higher 8 Historiography 8 Motion pictures 8 Social life and customs 8 Economic conditions 7 Government policy 7 Humanism 7 Indians of South America 7 Lexicography 7 Peace 7 Themes, motives 7 Art, Spanish 6 Classical influences 6 Political aspects 6 menos ...