Columbia subject headings:
Nineteen sixty-eight, A.D.--Congresses.
Student movements--France--History--20th century--Congresses.
Student movements--Germany--History--20th century--Congresses.
Television broadcasting--France--History--20th century--Congresses.
Television broadcasting--Germany--History--20th century--Congresses.
Harvard subject headings:
Student movements--France--On television--Congresses.
Student movements--Germany--On television--Congresses.
Television broadcasting--France--History--20th century--Congresses.
Television broadcasting--Germany--History--20th century--Congresses.
Princeton subject headings:
Student movements--France--On television--Congresses.
Student movements--Germany--On television--Congresses.
Television broadcasting--France--History--20th century--Congresses.
Television broadcasting--Germany--History--20th century--Congresses.