Municipal officials and employees--Pennsylvania--Philadelphia 3 Slavery--Law and legislation--United States--History 3 Slavery--United States--History 3 Campaign management--United States 2 Elections--United States--Planning 2 International trade--19th century 2 Mayors--Pennsylvania--Philadelphia 2 more ... Municipal government--Pennsylvania--Philadelphia 2 Philadelphia (Pa.)--Officials and employees 2 Philadelphia (Pa.)--Politics and government--20th century 2 Philadelphia (Pa.)--Race relations--History--20th century 2 Political campaigns--Law and legislation--United States 2 Political campaigns--Pennsylvania 2 Social reformers--Pennsylvania--Philadelphia 2 Aeronautics, Commercial--Law and legislation--United States 1 Affirmative action programs--Government policy--United States--History--20th century 1 Airports--Pennsylvania 1 Ambassadors--United States 1 Ambassadors’ spouses 1 American Bar Association 1 American Friends Service Committee 1 Ancient Arabic Order of the Nobles of the Mystic Shrine for North America 1 Anglo-American relations 1 Arbitration (Administrative law)--United States 1 Armories--Pennsylvania 1 Asociacion Nacional Pro Personas Mayores (U.S.) 1 Billy Graham Evangelistic Association 1 Biological pest control agents industry--United States 1 Blue Cross of Greater Philadelphia 1 City planning--Pennsylvania--Philadelphia 1 Continuing legal education 1 Cuban American National Council (U.S.) 1 Danish literature--United States 1 Democratic National Committee (U.S.) 1 Democratic Party (U.S.) 1 Diplomatic and consular service, American 1 Dispute resolution (Law) 1 Education, Urban--Pennsylvania--Philadelphia 1 Education, Urban--United States--Administration 1 Education--United States--History--20th century 1 less ...