History 2,318 Regimental histories 449 Campaigns 259 Politics and government 174 Personal narratives 128 Soldiers 113 Histoire 83 more ... Pennsylvania Infantry 78 Slavery 74 Causes 64 Generals 62 Biography 61 Prisoners and prisons 58 Naval operations 56 African Americans 53 Registers 53 Gettysburg, Battle of, Gettysburg, Pa., 1863 45 Social aspects 45 Women 43 Registers of births, etc 35 Sources 33 African American soldiers 32 Hospitals 32 Confederate side 31 Officers 31 Poetry 31 Foreign public opinion 30 Enslaved persons 27 Participation, African American 27 Sermons 27 Confiscations and contributions 25 Presidents 25 Veterans 25 Addresses, sermons, etc 24 History, Military 24 Militia 24 Description and travel 23 Medical care 23 Emancipation 22 Social conditions 22 less ...