History Politics and government 22,478 History and criticism 12,401 Social conditions 10,934 Social aspects 8,384 African Americans 7,319 Women 6,929 Máis ... Race relations 6,854 Historia 5,545 Social life and customs 5,452 Foreign relations 5,041 Political aspects 4,947 Civilization 4,816 Philosophy 4,752 Jews 4,593 Civil rights 4,480 Economic conditions 4,327 Intellectual life 3,981 World War, 1939-1945 3,867 Church history 3,864 Ethnic relations 3,421 Racism 3,339 Civil rights movements 3,294 Historiography 3,223 Colonies 3,107 Religious aspects 3,101 Slavery 2,898 Criticism and interpretation 2,798 Influence 2,736 Motion pictures 2,723 menos ...