Shipping--Pennsylvania--Philadelphia Philadelphia (Pa.)--Commerce 2 Commerce--19th Century 1 Commerce--Philadelphia--19th century 1 Pennsylvania--Economic conditions--19th century 1 Philadelphia (Pa.)--Commerce--History--19th century 1 Port of Philadelphia 1 more ... Ports--Philadelphia Ports - Philadelphia Ports - Philadelphia 1 Trade Regulations--19th century 1 Trade and professional associations--Philadelphia (Pa.)--19th century 1 Trade and professional associations--Philadelphia (Pa.)--20th century 1 Trade--Pennsylvania--19th century 1 West Indies--Commerce 1 less ...