History 2,504 Regimental histories 447 Campaigns 263 Politics and government 180 Personal narratives 130 Soldiers 118 Pennsylvania Infantry 78 more ... Histoire 73 Slavery 71 Biography 70 Registers 65 Causes 63 Generals 62 African Americans 59 Prisoners and prisons 58 Naval operations 52 Gettysburg, Battle of, Gettysburg, Pa., 1863 51 Social aspects 46 Women 43 Sources 40 Registers of births, etc 37 African American soldiers 34 Officers 33 Hospitals 32 Confederate side 31 Poetry 31 Genealogy 30 Militia 30 Recruiting, enlistment, etc 28 Enslaved persons 27 Participation, African American 27 Sermons 27 Social conditions 27 Veterans 26 Addresses, sermons, etc 25 Confiscations and contributions 25 History, Military 25 Presidents 25 Foreign public opinion 24 Reconstruction 24 less ...