Columbia subject headings:
Hostages--Iran.
Hostages--United States.
Iran Hostage Crisis, 1979-1981.
Iran--Foreign relations--United States.
United States--Armed Forces--Search and rescue operations--History--20th century.
United States--Foreign relations--Iran.
Harvard subject headings:
Hostages--Iran
Hostages--United States
Iran Hostage Crisis, 1979-1981.
Iran--Foreign relations--United States.
United States--Armed Forces--Search and rescue operations--History--20th century.
United States--Armed Forces--Search and rescue operations--Iran--History--20th century.
United States--Foreign relations--Iran.
Princeton subject headings:
Hostages--Iran.
Hostages--United States.
Iran Hostage Crisis, 1979-1981.
Iran--Foreign relations--United States.
United States--Armed Forces--Search and rescue operations--History--20th century.
United States--Foreign relations--Iran.