Presidents 1,018 History 720 Politics and government 589 Election 167 Foreign relations 167 Railroads 118 Biography 99 more ... African Americans 98 Slavery 91 College presidents 82 Legislators 73 Sources 61 Generals 60 Sermons 54 Vice-presidents 52 Campaign literature 51 Education 50 Societies, etc 47 Indians of North America 45 Clergy 44 Histoire 44 Presidents' spouses 44 Assassination 42 Politique et gouvernement 42 Churches 41 Physicians 41 Elections 38 Canals 37 Finance 37 Death and burial 36 Officers 36 Republican 36 Lawyers 34 Whig 33 Campaigns 30 Faculty 30 Governors 30 Description and travel 29 Diplomatic relations 29 Presidential candidates 29 less ...