History Histoire 1,135 Politics and government 947 Regimental histories 710 Sources 613 Campaigns 592 Emigration and immigration 575 more ... African Americans 548 Societies, etc 408 Slavery 369 Causes 318 Personal narratives 296 Social conditions 295 Biography 293 Jews 287 Race relations 270 Social life and customs 237 Bibliography 229 Women 217 Foreign relations 215 Naval operations 210 Indians of North America 206 Soldiers 206 Description and travel 190 Immigrants 188 Social aspects 186 Generals 173 Germans 165 Revolution 160 Presidents 155 Genealogy 140 Registers 140 Civil rights 138 Colonies 134 Periodicals 133 Civilization 130 German Americans 127 Civil War 126 History and criticism 123 Military participation 123 less ...