Columbia subject headings:
Class actions (Civil procedure)--Australia.
Class actions (Civil procedure)--Canada.
Class actions (Civil procedure)--United States.
Harvard subject headings:
Class actions (Civil procedure)--Australia.
Class actions (Civil procedure)--Canada.
Class actions (Civil procedure)--United States
Princeton subject headings:
Class actions (Civil procedure)--Australia.
Class actions (Civil procedure)--Canada.
Class actions (Civil procedure)--United States.