Columbia subject headings:
Internal security--Lebanon.
International travel regulations--United States.
Lebanon--Foreign relations--United States.
Lebanon--Politics and government--1975-1990.
United States--Foreign relations--Lebanon.
Visas--Lebanon.
Harvard subject headings:
Internal security--Lebanon.
International travel regulations--United States.
Lebanon--Foreign relations--United States.
Lebanon--Politics and government--1990-
United States--Foreign relations--Lebanon.
Visas--Lebanon.
Princeton subject headings:
International travel regulations--United States.
Lebanon--Foreign relations--United States.
Lebanon--Politics and government--1975-.
United States--Foreign relations--Lebanon.