Columbia subject headings:
Architecture--France--Paris--History--20th century.
Brothels--France--Paris--History--20th century.
Prostitutes--France--Paris--History--20th century.
Prostitution--France--Paris--History--20th century.
Harvard subject headings:
Brothels--France--Paris--History--20th century--Pictorial works.
Paris (France)--Buildings, structures, etc.--Pictorial works
Paris (France)--Social life and customs--20th century--Pictorial works.
Prostitution--France--Paris--History--20th century--Pictorial works.
Princeton subject headings:
Brothels--France--Paris--History--20th century--Pictorial works.
Paris (France)--Buildings, structures, etc.--Pictorial works.
Paris (France)--Social life and customs--20th century--Pictorial works.
Prostitution--France--Paris--History--20th century--Pictorial works.