Columbia subject headings:
Cuban Missile Crisis, 1962.
Harvard subject headings:
Castro, Fidel, 1926-2016
Cuban Missile Crisis, 1962.
Kennedy, John F. (John Fitzgerald), 1917-1963
Khrushchev, Nikita Sergeevich, 1894-1971.
Princeton subject headings:
Castro, Fidel, 1926-2016.
Cuban Missile Crisis, 1962.
Kennedy, John F. (John Fitzgerald), 1917-1963.
Khrushchev, Nikita Sergeevich, 1894-1971.