History 80 Regimental histories 12 Sources 11 Biography 8 Personal narratives 7 Soldiers 7 Headquarters 6 more ... Officers 6 Republican 6 Campaign literature 5 Generals 4 African Americans 3 Business enterprises 3 Capitalists and financiers 3 Corporations 3 Correspondence 3 Governors 3 Historic buildings 3 Indians of North America 3 Museums 3 Pennsylvania Infantry 3 Wars 3 Bibliography 2 Boundaries 2 Churches 2 Commerce 2 Farmers 2 Freed persons 2 Gettysburg, Battle of, Gettysburg, Pa., 1863 2 Health aspects 2 Historical museums 2 Iron and steel workers 2 Manuscripts 2 Medical care 2 Participation, African American 2 Physicians 2 Politics and government 2 Registers 2 Soldiers' homes 2 Soldiers' monuments 2 less ...