History 727 Politics and government 335 Social conditions 307 Economic conditions 265 Description and travel 154 Indians of South America 153 Histoire 139 more ... Black people 132 Social life and customs 132 Race relations 109 Civilization 102 Slavery 95 Economic history 92 History and criticism 92 Social aspects 88 Conditions économiques 86 Economic policy 86 Foreign relations 83 Architecture 79 Politique et gouvernement 70 Travel 63 Political activity 61 Conditions sociales 55 Religion 45 Descriptions et voyages 44 Politique économique 42 Political aspects 41 Motion pictures 39 Economic aspects 38 Mœurs et coutumes 38 less ...