History 52 Politics and government 31 Republican 21 Railroads 14 Campaign literature, 9 Slavery 7 Yellow fever 7 more ... Campaign literature, 1867 6 Church history 6 Canals 5 Catholics 5 Elections 5 African Americans 4 Antislavery movements 4 Clergy 4 Ethnic groups 4 Genealogy 4 Government 4 Law and legislation 4 Militia 4 National Union 4 Paxton boys 4 Periodicals 4 Water-supply 4 Campaign literature 3 Campaign literature, 1863 3 Clubs 3 Coal mines and mining 3 Description and travel 3 Faculty 3 Finance 3 Homes and haunts 3 Law 3 Pennsylvania Dutch 3 Physicians 3 Plague 3 Poor 3 Regimental histories 3 Taxation 3 American loyalists 2 less ...