History Histoire 4,179 Politics and government 3,481 African Americans 3,045 Campaigns 2,016 Race relations 1,944 Indians of North America 1,702 Máis ... Social conditions 1,617 Foreign relations 1,288 Civil rights 1,188 Regimental histories 1,125 Slavery 979 Presidents 896 Social aspects 871 Social life and customs 834 Generals 793 Publications about Graduates 720 Politique et gouvernement 718 Civilization 696 Civil rights movements 694 Political aspects 689 Noirs américains 639 Sources 614 Government relations 598 Causes 581 Soldiers 563 Naval operations 487 Influence 480 Historiography 464 History, Military 432 menos ...