Columbia subject headings:
Mass media--Congresses.
Motion pictures--History--Congresses.
Television series--History--Congresses.
Television--History--Congresses.
Harvard subject headings:
Mass media--Congresses
Motion pictures--History--Congresses
Television series--History--Congresses.
Television--History--Congresses.
Princeton subject headings:
Mass media--Congresses.
Motion pictures--History--Congresses.
Television series--History--Congresses.
Television--History--Congresses.