Columbia subject headings:
Asylum, Right of--United States.
Medvid, Miroslav.
Merchant mariners--Soviet Union.
Political refugees--United States.
Soviets (People)--United States.
Harvard subject headings:
Princeton subject headings:
Asylum, Right of--United States.
Governmental investigations--United States.
Soviet Union--Foreign relations--United States.
United States--Foreign relations--Soviet Union.