Columbia subject headings:
Harvard subject headings:
Foreign workers, East Indian--Colonies--Great Britain--History.
Indentured servants--Colonies--Great Britain--History.
Labor movement--Colonies--Great Britain--History.
Princeton subject headings:
Foreign workers, East Indian--Colonies--Great Britain--History.
Indentured servants--Colonies--Great Britain--History.
Labor movement--Colonies--Great Britain--History.