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