United States--History--French and Indian War, 1755-1763 Accounts--18th century 1 Apprenticeships--Philadelphia--18th century 1 Chaplains, military--18th century 1 Fort Duquesne (Pa.) 1 Great Britain Army--History--1760-1789 1 Immigrants--18th century 1 more ... Indentured servants--Pennsylvania 1 Indian--White Relations--18th century 1 Indians of North America--Commerce--18th century 1 International trade--18th century 1 Pennsylvania--History--Colonial period, ca. 1600-1775--Sources 1 Shipping--Pennsylvania--Philadelphia--18th century 1 United States--Economic conditions--18th century 1 United States--History--French and Indian War, 1755-1763--Fort Duquesne 1 less ...