Columbia subject headings:
Radio audiences--France--Measurement--History.
Radio programs--France--Rating--History.
Television programs--France--Rating--History.
Television viewers--France--Measurement--History.
Harvard subject headings:
Princeton subject headings:
Radio audiences--France--Measurement--History.
Radio programs--France--Rating--History.
Television programs--France--Rating--History.
Television viewers--France--Measurement--History.