Columbia subject headings:
United States--Commerce--History.
United States--History--Revolution, 1775-1783--Causes.
United States. Continental Congress.
Harvard subject headings:
United States--Commerce--History.
United States--History--Revolution, 1775-1783--Causes.
United States. Continental Congress.
Princeton subject headings:
United States--Commerce--History.
United States--History--Revolution, 1775-1783--Causes.
United States. Continental Congress