Economic conditions 1 History 1 Philadelphia (Pa.)--City government--20th century 1 Philadelphia (Pa.)--City planning 1 Philadelphia (Pa.)--Civic improvement 1 Philadelphia (Pa.)--History--20th century 1 Philadelphia (Pa.)--Officials and employees 1 more ... Philadelphia (Pa.)--Politics and government--20th century 1 Philadelphia (Pa.)--Public welfare 1 Philadelphia (Pa.)--Social conditions--20th century 1 Social conditions 1 Streets--Pennsylvania--Philadelphia 1 Women's history--Pennsylvania--Philadelphia 1 less ...