History 39,408 Politics and government 18,971 Indians of South America 6,607 Antiquities 5,512 Description and travel 5,484 Social conditions 5,420 Social life and customs 4,897 more ... Foreign relations 4,172 Histoire 3,648 Civilization 3,614 Economic conditions 3,388 Indians of Mexico 2,735 Biography 1,690 Relations 1,576 Sources 1,551 Government relations 1,543 Race relations 1,510 Mayas 1,492 Manners and customs 1,488 Travel 1,478 Presidents 1,340 Religion 1,324 Politique et gouvernement 1,212 Intellectual life 1,206 Excavations (Archaeology) 1,182 Indians of Central America 1,120 Historiography 1,066 Ethnic relations 1,033 Boundaries 1,008 Black people 1,000 less ...