International trade--18th century 40 International trade--19th century 30 Shipping--Pennsylvania--Philadelphia--18th century 12 Merchants--Pennsylvania--Philadelphia--18th century 11 Shipping--Pennsylvania--Philadelphia--19th Century 6 Commerce--Philadelphia--18th century 3 French and Indian War 3 more ... International Trade--18th century 3 China--Commerce 2 Commerce--Cotton--19th century 2 Commerce--Philadelphia--19th century 2 Dry Goods--Philadelphia--18th century 2 Merchants--Dry Goods--Philadelphia--18th century 2 Merchants--Pennsylvania--Philadelphia--19th century 2 Shipping--18th century 2 Shipping--19th century 2 Slavery--Law and legislation--United States--History 2 Slavery--United States--History 2 United States--History--Revolution, 1775-1783--Economic aspects 2 83.42 international trade 1 Accounts--19th century 1 Anglo-American relations 1 Bekleidungsindustrie 1 British Imperialism--17th century 1 British Imperialism--18th century 1 Business records--Pennsylania--Philadelphia--19th century 1 California--Description and travel--19th Century 1 China--Description and Travel 1 Clothing trade 1 Clothing workers 1 Commerce--Brazil--19th century 1 Commerce--New Orleans (La)--19th century 1 Commerce--North Africa--19th century 1 Commerce--Tea--19th century 1 Commerce--Tobacco--18th century 1 Commerce--Tobacco--19th century 1 Commerce--West Indies--18th century 1 Copper Industry and Trade--Philadelphia--18th century 1 Copper Industry and Trade--Philadelphia--19th century 1 Dry goods--18th century 1 less ...