History 2,382 Regimental histories 480 Campaigns 259 Politics and government 159 Personal narratives 144 Soldiers 113 Histoire 82 more ... Pennsylvania Infantry 77 Slavery 75 Causes 63 Generals 62 Biography 61 Prisoners and prisons 60 Naval operations 57 African Americans 54 Registers 54 Gettysburg, Battle of, Gettysburg, Pa., 1863 49 Social aspects 45 Women 43 Confederate side 37 United States--History--Civil War, 1861-1865--Personal narratives 37 United States--History--Civil War, 1861-1865--Personal Correspondence 36 Registers of births, etc 35 Sources 34 African American soldiers 33 Hospitals 32 Poetry 32 Foreign public opinion 31 Officers 31 Addresses, sermons, etc 30 Enslaved persons 27 Participation, African American 27 Veterans 26 Confiscations and contributions 25 Genealogy 24 Militia 24 Sermons 24 Civil War 23 Description and travel 23 History, Military 23 less ...