Vice-presidents 5 History 4 Politics and government 4 Presidents 3 Slavery 3 Archives 2 Cabinet officers 2 more ... College teachers 2 Diplomatic and consular service, American 2 Faculty 2 Lawyers 2 Legislators 2 Manuscripts 2 Manuscripts, American 2 Physicians 2 Sources 2 Bibliography 1 Campaign literature 1 Coal trade 1 Compromise of 1850 1 Customs administration--United States 1 Democratic 1 Education--Pennsylvania--History 1 Governors 1 Lumber trade--Pennsylvania--New Hope 1 Mexican War, 1846-1848 1 Pennsylvania--History--1775-1865 1 Railroad--Construction 1 Republican Party (Pa. : 1792-1828) 1 Roads--Design and construction 1 Scott, Dred 1 Treaties, etc.--United States--Algiers--1815 1 United States--Latin American relations 1 Wilmot proviso 1 less ...