Columbia subject headings:
Casaroli, Agostino.
Catholic Church--Foreign relations--Europe, Eastern--History--20th century.
Communism and Christianity--Catholic Church--History--20th century.
Communism and Christianity--Europe, Eastern--History--20th century.
Europe, Eastern--Foreign relations--Catholic Church--History--20th century.
Harvard subject headings:
Casaroli, Agostino
Catholic Church--Foreign relations--Europe, Eastern--History--20th century.
Communism and Christianity--Catholic Church--History--20th century.
Communism and Christianity--Europe, Eastern--History--20th century.
Europe, Eastern--Foreign relations--Catholic Church--History--20th century.
Princeton subject headings: