History 2,641 Regimental histories 547 Campaigns 287 Personal narratives 169 Politics and government 151 Civil War 124 Soldiers 107 more ... Slavery 83 Pennsylvania Infantry 77 Causes 66 Biography 65 Prisoners and prisons 65 Generals 63 Naval operations 61 Gettysburg, Battle of, Gettysburg, Pa., 1863 57 African Americans 55 Histoire 55 Registers 54 Confederate side 48 Women 40 Social aspects 37 United States--History--Civil War, 1861-1865--Personal narratives 37 Militia 35 Poetry 35 Sources 35 United States--History--Civil War, 1861-1865--Personal Correspondence 35 Addresses, sermons, etc 34 Foreign public opinion 34 Registers of births, etc 34 Hospitals 32 Officers 31 African American soldiers 29 Hospitals, charities, etc 27 Confiscations and contributions 26 Enslaved persons 26 History, Military 26 Veterans 26 Civil war 25 Genealogy 25 Sermons 25 less ...