Columbia subject headings:
Guimard, Hector, 1867-1942.
Subways--Decoration--France--Paris.
Subways--France--Paris--History.
Harvard subject headings:
Art nouveau (Architecture)--France--Paris.
Decoration and ornament, Architectural--France--Paris
Guimard, Hector, 1867-1942--Criticism and interpretation.
Guimard, Hector, 1867-1942--Influence.
Subway stations--France--Paris.
Princeton subject headings:
Guimard, Hector, 1867-1942.
Subways--Decoration--France--Paris.
Subways--France--Paris--History.