Columbia subject headings:
City planning--France--Paris--Exhibitions.
Paris (France)--History--Exhibitions.
Urbanization--France--Paris--Exhibitions.
Harvard subject headings:
City planning--France--Paris--Exhibitions.
Paris (France)--History--Exhibitions.
Urbanization--France--Paris--Exhibitions.
Princeton subject headings:
City planning--France--Paris--Exhibitions.
Paris (France)--History--Exhibitions.
Urbanization--France--Paris--Exhibitions.