History 1.253 Politics and government 420 Social conditions 305 History and criticism 298 Economic conditions 236 Social aspects 215 Foreign relations 214 más ... Civilization 152 Education 142 Women 121 Political aspects 116 Study and teaching 115 Economic policy 114 Government policy 92 Social life and customs 90 Economic aspects 78 Relations 78 Criticism and interpretation 73 English language 70 Law and legislation 65 Religious aspects 63 Motion pictures 61 Race relations 57 Intellectual life 56 Economic development 54 Antiquities 53 English literature 53 Philosophy 52 Management 50 Emigration and immigration 48 menos ...