Columbia subject headings:
Industries--France--Paris Region.
Paris Region (France)--Commerce.
Paris Region (France)--Geography.
Paris Region (France)--Historical geography.
Paris Region (France)--Population.
Harvard subject headings:
Princeton subject headings:
Industries--France--Paris Region.
Paris Region (France)--Commerce.
Paris Region (France)--Description and travel.
Paris Region (France)--Historical geography.
Paris Region (France)--Population.