History 2,304 Regimental histories 474 Campaigns 257 Politics and government 149 Personal narratives 144 Soldiers 109 Pennsylvania Infantry 77 more ... Slavery 69 Histoire 65 Generals 61 Biography 60 Prisoners and prisons 60 Causes 59 Naval operations 56 Registers 54 African Americans 50 Gettysburg, Battle of, Gettysburg, Pa., 1863 49 Women 39 Confederate side 37 Social aspects 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 34 Sources 34 Poetry 32 Hospitals 31 Officers 31 Addresses, sermons, etc 30 Foreign public opinion 30 African American soldiers 29 Veterans 26 Confiscations and contributions 25 Enslaved persons 24 Militia 24 Participation, African American 24 Sermons 24 Civil War 23 History, Military 23 Medical care 23 United States--History--Civil War, 1861-1865 23 less ...