History 2,214 Regimental histories 461 Campaigns 256 Politics and government 149 Personal narratives 144 Soldiers 107 Pennsylvania Infantry 77 more ... Slavery 67 Histoire 62 Generals 60 Prisoners and prisons 60 Biography 59 Causes 59 Naval operations 55 African Americans 48 Registers 47 Gettysburg, Battle of, Gettysburg, Pa., 1863 46 Confederate side 37 Women 37 Social aspects 35 Registers of births, etc 33 Hospitals 31 Officers 31 Poetry 31 Addresses, sermons, etc 30 Foreign public opinion 30 Sources 30 African American soldiers 28 Confiscations and contributions 25 Enslaved persons 24 Veterans 24 Participation, African American 23 Sermons 23 History, Military 22 Presidents 22 Civil War 21 Medical care 21 Militia 21 Religious aspects 21 Description and travel 20 less ...