Columbia subject headings:
Harvard subject headings:
Catholic Church--Italy--Societies, etc.--History--20th century.
Church and the world.
Nineteen sixty-eight, A.D.
Protest movements--Italy--History--20th century
Social movements--History--20th century.
Social movements--Italy--History--20th century.
Student movements--History--20th century.
Student movements--Italy--History--20th century
World politics--1965-1975
World politics--20th century
Youth movements.
Princeton subject headings:
Church and the world.
Nineteen sixty-eight, A.D.
Social movements--History--20th century.
Social movements--Italy--History--20th century.
Student movements--History--20th century.
Student movements--Italy--History--20th century.
World politics--20th century.
Youth movements.