History 244 Public opinion 125 Foreign public opinion 62 Politics and government 57 Debts, Public 54 Finance, Public 53 Public welfare 33 more ... Public lands 32 Bibliography 27 Finance 26 Histoire 26 Public records 25 Sources 25 Government publications 24 Archives 23 Public schools 23 Economic conditions 20 Foreign relations 20 Jews 20 Public works 20 Education 18 Indians of North America 17 Politique et gouvernement 17 Slavery 16 Social conditions 16 African Americans 14 Civilization 13 Public health 13 Emigration and immigration 12 Congresses 11 Influence 11 World War, 1914-1918 11 Attitudes 10 Causes 10 Government policy 10 Immigrants 10 Law and legislation 10 Appropriations and expenditures 9 Archival resources 9 Catalogs 9 less ...