History Regimental histories 449 Campaigns 258 Politics and government 164 Personal narratives 128 Soldiers 113 Histoire 83 more ... Pennsylvania Infantry 78 Slavery 73 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 Foreign public opinion 30 Poetry 30 Enslaved persons 27 Participation, African American 27 Sermons 26 Confiscations and contributions 25 Addresses, sermons, etc 24 Militia 24 Presidents 24 Veterans 24 Description and travel 23 History, Military 23 Medical care 23 Emancipation 22 Social conditions 22 less ...