Columbia subject headings:
Gentrification--France--Paris.
Middle class--France--Paris.
Paris (France)--Social conditions.
Harvard subject headings:
Gentrification--France--Paris.
Middle class--France--Paris.
Paris (France)--Social life and customs--20th century.
Princeton subject headings:
Gentrification--France--Paris.
Middle class--France--Paris.
Paris (France)--Social conditions.