Columbia subject headings:
Hotels--France--Paris--History--19th century--Exhibitions.
Harvard subject headings:
Architecture, Modern--17th-18th centuries--France--Paris--Exhibitions.
Architecture, Modern--19th century--France--Paris--Exhibitions.
Hotels--France--Paris--Exhibitions.
Paris (France)--Buildings, structures, etc.--Pictorial works.
Princeton subject headings:
Hotels--France--Paris--History--19th century--Exhibitions.