Columbia subject headings:
Harvard subject headings:
Animal industry--Law and legislation--United States
Dairy laws--United States.
Livestock--Government policy--United States--Marketing.
Meat industry and trade--Law and legislation--United States
Milk trade--Law and legislation--United States.
Princeton subject headings:
Animal industry--Law and legislation--United States.
Dairy laws--United States.
Livestock--Marketing--Government policy--United States.
Meat industry and trade--Law and legislation--United States.