History 3,735 Civilization 979 Civil rights 747 Regimental histories 616 African Americans 598 Politics and government 402 Campaigns 307 more ... Race relations 289 Civil War 228 Histoire 209 Personal narratives 184 Civilisation 154 Social conditions 152 Soldiers 139 Slavery 135 Social life and customs 116 Biography 99 Civil rights movements 86 Periodicals 83 Civil war 82 Causes 80 Pennsylvania Infantry 79 Sources 76 Description and travel 73 Societies, etc 70 Gettysburg, Battle of, Gettysburg, Pa., 1863 67 Naval operations 67 Social aspects 67 Prisoners and prisons 65 Registers 65 Generals 64 Indians of North America 60 Hist 59 Jews 58 Study and teaching 52 Women 52 Confederate side 51 Registers of births, etc 51 Genealogy 49 Militia 48 less ...