Columbia subject headings:
Mass media--American influences--Study and teaching--Congresses.
United States--Civilization--Study and teaching--Congresses.
Harvard subject headings:
Mass media--United States--Congresses.
United States--Civilization--Congresses.
United States--In mass media--Congresses.
United States--Social life and customs--Congresses.
Princeton subject headings:
Mass media--American influences--Study and teaching--Congresses.
United States--Civilization--Study and teaching--Congresses.