Columbia subject headings:
Africa, North--Foreign relations--United States.
United States--Foreign relations--Africa, North.
Harvard subject headings:
Africa, North--Foreign relations--United States.
United States--Foreign relations--Africa, North.
United States--History--Tripolitan War, 1801-1805.
Princeton subject headings:
Africa, North--Foreign relations--United States.
United States--Foreign relations--Africa, North.