Columbia subject headings:
Hostages--Lebanon.
Hostages--United States.
Hostages.
Levin, Jerry--Captivity, 1984.
Levin, Sis, 1931-
Levin, Sis, 1931---Travel--Syria.
Syria--Foreign relations.
Harvard subject headings:
Hostages--Lebanon.
Hostages--United States
Levin, Jerry--Captivity, 1984.
Levin, Sis, 1931---Journeys--Syria.
Levin, Sis, 1931---Relations with hostages.
Levin, Sis, 1931---Travel--Syria.
Syria--Foreign relations.
Princeton subject headings: