History 242 Politics and government 62 Regimental histories 43 Civil War 42 Slavery 22 Campaigns 16 Personal narratives 12 more ... Hist 9 Emancipation 8 Naval operations 8 African American troops 7 Enslaved persons 7 Hospitals 7 Newspaper clippings 7 Secession 7 Causes 6 Foreign public opinion 6 Hospitals, charities, etc 6 Militia 6 Reconstruction 6 African Americans 5 Civil War, United States 5 Confederate side 5 Confiscations and contributions 5 %SP3 4 Afro-Americana 4 Army of the Potomac 4 Gettysburg, Battle of, Gettysburg, Pa., 1863 4 Habeas corpus 4 Military pensions 4 Societies, etc 4 Speeches in Congress 4 United States 4 Armed Forces 3 Democratic 3 Michigan Infantry 3 Powers and duties 3 Presidents 3 Transportation 3 history 3 less ...