History 164 History and criticism 59 Politics and government 51 Foreign relations 49 Social aspects 37 Relations 29 Social conditions 28 more ... Philosophy 22 Spanish language 19 Economic conditions 16 Spanish literature 16 Civilization 15 Criticism and interpretation 15 Democracy 15 Law and legislation 14 Political aspects 13 Description and travel 12 Emigration and immigration 12 Indians of South America 12 Education 11 Research 11 Foreign economic relations 10 Globalization 10 Industrial relations 10 Political science 10 Public relations 10 Religion 10 Social life and customs 10 Historiography 9 Intellectual life 9 less ...