Columbia subject headings:
Italy--Foreign relations--1945-1976.
Italy--Foreign relations--1976-1994.
Italy--Foreign relations--United States.
United States--Foreign relations--1945-1989.
United States--Foreign relations--Italy.
Harvard subject headings:
Italy--Foreign relations--1945-1976.
Italy--Foreign relations--1976-1994.
Italy--Foreign relations--United States.
United States--Foreign relations--1945-
United States--Foreign relations--Italy.
Princeton subject headings:
Italy--Foreign relations--1945-1976.
Italy--Foreign relations--1976-1994.
Italy--Foreign relations--United States.
United States--Foreign relations--1945-1989.
United States--Foreign relations--Italy.