Columbia subject headings:
Libel and slander--Canada--Periodicals.
Libel and slander--England--Periodicals.
Libel and slander--United States--States--Periodicals.
Mass media--Law and legislation--Canada--Periodicals.
Mass media--Law and legislation--England--Periodicals.
Mass media--Law and legislation--United States--States--Periodicals.
Harvard subject headings:
Libel and slander--Canada--Periodicals.
Libel and slander--England--Periodicals.
Libel and slander--United States--States--Periodicals.
Mass media--Law and legislation--Canada--Periodicals.
Mass media--Law and legislation--England--Periodicals.
Mass media--Law and legislation--United States--States--Periodicals.
Princeton subject headings: