Columbia subject headings:
Europe--Civilization--1945-
Europe--Foreign relations--United States.
United States--Civilization--1970-
United States--Foreign relations--Europe.
Harvard subject headings:
Europe--Civilization--1945-
Europe--Foreign relations--United States.
United States--Civilization--1970-
United States--Foreign relations--Europe.
Princeton subject headings:
Europe--Civilization--1945-
Europe--Foreign relations--United States.
United States--Civilization--1970-
United States--Foreign relations--Europe.