Columbia subject headings:
Athletes--Legal status, laws, etc.--United States.
Coaches (Athletics)--Legal status, laws, etc.--United States.
Liability for sports accidents--United States.
Professional sports--Law and legislation--United States.
Sports medicine--United States.
Sports officiating--Law and legislation--United States.
Sports--Law and legislation--United States.
Harvard subject headings:
Liability for sports accidents--United States.
Sports--Law and legislation--United States.
Princeton subject headings: