Children of presidents 2 Brothers and sisters--Correspondence 1 Children--Correspondence 1 City planning--Pennsylvania--Philadelphia 1 Correspondence 1 Education, Urban--Pennsylvania--Philadelphia 1 Education, Urban--United States--Administration 1 more ... Education--United States--History--20th century 1 Education--United States--Management 1 Family life--Personal correspondence--20th century 1 High speed ground transportation 1 Mayors--Pennsylvania--Philadelphia 1 Municipal charters--Pennsylvania--Philadelphia 1 Municipal government--Pennsylvania--Philadelphia 1 Municipal officials and employees--Pennsylvania--Philadelphia 1 Pennsylvania. Governor’s Committee for Transportation 1 Personal Correspondence 1 Philadelphia (Pa.)--City planning 1 Philadelphia (Pa.)--Civic improvement 1 Philadelphia (Pa.)--Race relations--History--20th century 1 Philadelphia (Pa.)--Social problems 1 Presidents 1 Segregation in education--Law and legislation--United States--History 1 Social reformers--Pennsylvania--Philadelphia 1 Urban development 1 Urban policy--Pennsylvania--Philadelphia 1 Urban renewal--Pennsylvania--Philadelphia 1 Women 1 World War, 1914-1918 1 World War, 1914-1918--France--Personal accounts 1 World War, 1914-1918--Participation, American 1 World War, 1914-1918--Personal Narratives 1 World War, 1914-1918--Personal correspondence 1 less ...