Commerce--18th century 9 Merchants--Pennsylvania--Philadelphia--18th century 5 Philadelphia--Commerce--18th Century 5 Commerce 2 Indians of North America--Commerce--18th century 2 International economic relations 2 Shipping--Pennsylvania--Philadelphia--18th century 2 more ... Trade - 18th Century 2 United States--History--Revolution, 1775-1783--Economic aspects 2 Alchemy 1 Bartlett, Josiah 1 French and Indian War 1 Frontier and pioneer life--Illionois--18th century 1 Illinois--Description and travel--18th century 1 Indian--White Relations--18th century 1 Indians--Six Nations Coalition--18th century 1 Iron manufacturing--Pennsylvania--18th century 1 Land Surveys--18th century 1 Land settlement and speculation--18th Century 1 Medicine--home remedies 1 Merchants--Philadelphia--Colonial 1 New Hampshire--Governors--18th century 1 Pennsylvania--History--Colonial period, ca. 1600-1775--Sources 1 Politics and Government--Pennsylvania--18th century 1 Ports--Philadelphia Ports - Philadelphia Ports - Philadelphia 1 Roads--Pennsylvania--18th century 1 School books--18th century 1 Shipping--18th century 1 Slaves and Slave Trade--Jamaica--18th and 19th Centuries 1 Slaves and Slave Trade--Philadelphia--18th century 1 Social Life and Customs--18th century 1 Trade--West Indies--18th century 1 United States--Foreign Relations--18th century 1 United States--History--French and Indian War, 1755-1763 1 United States--History--Revolution, 1775-1783--New Hampshire 1 United States--History--Revolution, 1775-1783--Political Aspects 1 West Indies--Commerce--Rum 1 less ...