Columbia subject headings:
Diplomats--Soviet Union.
Diplomats--United States.
Soviet Union--Relations--United States.
United States--Relations--Soviet Union.
Harvard subject headings:
Diplomats--Soviet Union.
Diplomats--United States
Soviet Union--Relations--United States.
United States--Relations--Soviet Union.
Princeton subject headings:
Diplomats--Soviet Union.
Diplomats--United States.
Soviet Union--Relations--United States.
United States--Relations--Soviet Union.