History 4,170 Politics and government 836 Description and travel 485 Genealogy 470 African Americans 424 Biography 374 Slavery 341 more ... Indians of North America 314 Sources 300 Clergy 283 Histoire 248 Churches 245 Presidents 219 Church history 206 Almanacs, American 191 Registers of births, etc 188 Social life and customs 179 Sermons, American 146 Social conditions 146 Family 137 Education 131 Church records and registers 128 Bibliography 117 Physicians 117 Foreign relations 116 Regimental histories 116 Society of Friends 113 Railroads 112 Emigration and immigration 105 Law 102 Lawyers 102 Sermons 102 Presbyterian Church 101 Race relations 99 Antislavery movements 95 Legislators 95 Quakers 89 Campaigns 88 Medicine 86 Missions 85 less ...