Columbia subject headings:
Antitrust law--United States.
Meat--Packaging--Law and legislation--United States.
Packing-houses--United States.
Produce trade--Law and legislation--United States.
Harvard subject headings:
Antitrust law--United States
Meat--Packaging--Law and legislation--United States.
Packing-houses--United States.
Produce trade--Law and legislation--United States
Princeton subject headings:
Antitrust law--United States.
Meat--Packaging--Law and legislation--United States.
Packing-houses--United States.
Produce trade--Law and legislation--United States.