Columbia subject headings:
City planning--France--Paris Region--History--20th century.
Paris (France)--History.
Paris Region (France)--Social conditions.
Harvard subject headings:
City planning--France--Paris
City planning--France--Paris.
Paris (France)--Geography.
Paris (France)--History.
Paris (France)--Population.
Paris (France)--Social conditions--20th century.
Princeton subject headings:
City planning--France--Paris Region--History--20th century.
Paris (France)--History.
Paris Region (France)--Social conditions.