Columbia subject headings:
Government and the press--United States.
Industrial hygiene--Law and legislation--United States.
Industrial safety--Law and legislation--United States.
Journalism, Commercial--United States.
Press, Labor--United States.
Harvard subject headings:
Industrial hygiene--Law and legislation--United States
Industrial safety--Law and legislation--United States
United States. Occupational Safety and Health Act of 1970.
Princeton subject headings: