History 507 Finance, Public 217 Sources 161 Public schools 143 Public opinion 140 Public records 94 Debts, Public 90 more ... Public buildings 83 Public welfare 77 Taxation 76 Politics and government 70 Education 69 Public lands 69 Appropriations and expenditures 63 Economic conditions 58 Bibliography 57 Finance 57 Public health 57 Foreign public opinion 54 Archives 53 Public works 51 Government publications 49 Archival resources 46 Militia 40 Periodicals 38 Social conditions 32 Public utilities 29 Genealogy 26 Public relations 26 African Americans 25 Jews 25 Philadelphia public schools 25 Publication and distribution 24 Catalogs 22 Law and legislation 22 Charities 21 Foreign relations 21 Indians of North America 21 Schools 19 Societies, etc 19 less ...