History 328 Politics and government 163 Social conditions 130 Indians of South America 127 Description and travel 126 Black people 82 Civilization 82 更多 ... Race relations 75 Economic conditions 73 Histoire 64 Social life and customs 59 Travel 45 Foreign relations 37 Descriptions et voyages 36 Politique et gouvernement 29 Race identity 25 Slavery 25 Indiens d'Amérique 24 Political activity 24 Government relations 22 Ethnic relations 21 Conditions sociales 20 Civilisation 19 Mœurs et coutumes 18 Economic history 17 Emigration and immigration 17 Relations 17 Religion 17 Conditions économiques 16 Ethnic identity 16 少 ...