Columbia subject headings:
Workers' compensation--Canada.
Workers' compensation--Law and legislation--Canada.
Workers' compensation--Law and legislation--United States.
Workers' compensation--United States.
Harvard subject headings:
Workers' compensation--Canada.
Workers' compensation--Law and legislation--Canada.
Workers' compensation--Law and legislation--United States.
Workers' compensation--United States.
Princeton subject headings:
Workers' compensation--Canada.
Workers' compensation--Law and legislation--Canada.
Workers' compensation--Law and legislation--United States.
Workers' compensation--United States.