Columbia subject headings:
20e Arrondissement (Paris, France)--Civilization.
20e Arrondissement (Paris, France)--History.
Paris (France)--Civilization.
Paris (France)--History.
Harvard subject headings:
20e Arrondissement (Paris, France)--Civilization.
20e Arrondissement (Paris, France)--History.
Paris (France)--Civilization.
Paris (France)--History.
Princeton subject headings:
20e Arrondissement (Paris, France)--Buildings, structures, etc.
20e Arrondissement (Paris, France)--Civilization.
Historic buildings--France--Paris.
Paris (France)--Buildings, structures, etc.