History 18,211 Politics and government 4,805 Description and travel 4,491 Histoire 3,036 Social life and customs 3,034 Social conditions 2,729 Race relations 1,465 more ... Antiquities 1,441 Frontier and pioneer life 1,418 African Americans 1,319 Travel 1,308 Civilization 1,271 Economic conditions 1,266 Foreign relations 1,260 Politique et gouvernement 972 Indians of North America 964 Descriptions et voyages 869 Indians of South America 795 Ethnic relations 724 Indians of Mexico 723 Manners and customs 681 Discovery and exploration 635 Mayas 616 Relations 589 Social aspects 517 Jews 473 Mœurs et coutumes 452 Religion 437 Sources 435 Colonies 431 less ...