History 2,222 Regimental histories 439 Campaigns 255 Politics and government 147 Personal narratives 128 Soldiers 109 Pennsylvania Infantry 77 more ... Histoire 65 Slavery 65 Generals 61 Biography 60 Causes 59 Prisoners and prisons 58 Naval operations 55 Registers 54 African Americans 48 Gettysburg, Battle of, Gettysburg, Pa., 1863 44 Women 39 Social aspects 37 Registers of births, etc 34 Confederate side 31 Hospitals 31 Officers 31 Sources 31 Poetry 30 Foreign public opinion 29 African American soldiers 28 Addresses, sermons, etc 25 Confiscations and contributions 25 Veterans 25 Enslaved persons 24 Participation, African American 24 Sermons 24 History, Military 23 Medical care 23 Presidents 22 Militia 21 Religious aspects 21 Civil War 20 Description and travel 20 less ...