Columbia subject headings:
Broadcasting--Congresses.
Digital media--Congresses.
Mass media policy--Congresses.
Mass media--Law and legislation--Congresses.
Harvard subject headings:
Broadcasting--Congresses.
Digital media--Congresses.
Mass media policy--Congresses.
Mass media--Law and legislation--Congresses.
Princeton subject headings:
Mass media--Law and legislation--Congresses.