Shipping--Pennsylvania--Philadelphia--18th century 45 Shipping--Pennsylvania--Philadelphia--19th Century 27 International trade--18th century 12 Shipping 10 Commerce--Philadelphia--19th century 6 Merchants--Pennsylvania--Philadelphia--18th century 6 Shipping--Pennsylvania--Philadelphia 6 more ... International trade--19th century 5 Ships 5 Estate administration--18th century 4 Receipt books--18th century 4 Commerce--19th Century 3 Commerce--West Indies--18th century 3 Estate administration--19th century 3 United States--History--Revolution, 1775-1783--Economic aspects 3 West Indies--Commerce 3 Business--History--Pennsylvania--Philadelphia--18th century 2 Harbor 2 History 2 Merchants--Dry Goods--Philadelphia--18th century 2 Merchants--Philadelphia--Colonial 2 Philadelphia (Pa.)--Commerce 2 Philadelphia--Commerce--18th Century 2 Port of Philadelphia 2 Ports--Philadelphia Ports - Philadelphia Ports - Philadelphia 2 Accounts--18th century 1 Accounts--19th century 1 Ash disposal 1 Baldwin and Forbes--Shipping --19th century 1 British 1 Burma Road 1 Business Correspondence--19th century 1 Capitols 1 Children 1 Cityscapes 1 Civil service 1 Classrooms 1 Clothing trade 1 Coal 1 Commerce--Freight Transportation 1 less ...