Industry, Trade, and Tariffs--19th century 3 Tariff Reform--Philadelphia--19th century 2 Tariffs--19th century 2 Anglo-American relations 1 Autographs--19th century 1 China--Commerce 1 Commerce--United States--19th century 1 more ... Cotton mills--19th century 1 Dry goods--19th century 1 Economic Reform 1 Franco-American relations 1 Genealogy--Keim Family 1 Imports--Pennsylvania--Philadelphia--18th century 1 International trade--19th century 1 Iron Manufacturing--19th century 1 Iron industry and trade--Pennsylvania 1 Iron industry and trade--United States--History 1 Philadelphia Chamber of Commerce 1 Railroad History--Pennsylvania 1 Rum--Commerce 1 Slavery--America--Historiography 1 Slavery--Great Britain--History 1 Slavery--Law and legislation--Great Britain--Colonies 1 Slavery--Law and legislation--United States--History 1 Slavery--United States--History 1 Tariff--Pennsylvania--Philadelphia--18th century 1 Tariffs--Law and legislation 1 Trade Regulations--19th century 1 Trade--foreign and domestic--19th century 1 United States--Politics and Government--House Ways and Means Committee--19th century 1 less ...