History 2,191 Regimental histories 437 Campaigns 254 Politics and government 153 Personal narratives 128 Soldiers 106 Pennsylvania Infantry 78 more ... Slavery 65 Generals 61 Biography 60 Causes 59 Prisoners and prisons 58 Histoire 55 Registers 53 Naval operations 52 African Americans 49 Gettysburg, Battle of, Gettysburg, Pa., 1863 45 Women 39 Social aspects 37 Registers of births, etc 34 Sources 33 Confederate side 31 Hospitals 31 Officers 31 Poetry 30 African American soldiers 28 Sermons 27 Confiscations and contributions 25 Veterans 25 Addresses, sermons, etc 24 Enslaved persons 24 Foreign public opinion 24 History, Military 24 Participation, African American 24 Presidents 24 Medical care 23 Militia 23 Recruiting, enlistment, etc 21 Civil War 20 Emancipation 20 less ...