Columbia subject headings:
Competition--Government policy--Massachusetts--Worcester County.
Industrial promotion--Massachusetts--Worcester County.
Industries--Massachusetts--Worcester County.
Regional planning--Massachusetts--Worcester County.
Harvard subject headings:
Competition--Government policy--Massachusetts--Worcester County.
Industrial promotion--Massachusetts--Worcester County.
Industries--Massachusetts--Worcester County.
Regional planning--Massachusetts--Worcester County.
Princeton subject headings:
Competition--Government policy--Massachusetts--Worcester County.
Industrial promotion--Massachusetts--Worcestor County.
Industries--Massachusetts--Worcester County.
Regional planning--Massachusetts--Worcester County.