Columbia subject headings:
Art, European--Exhibitions.
Gallé, Emile, 1846-1904--Exhibitions.
Harvard subject headings:
Art nouveau--Exhibitions
Art, Modern--20th century--Themes, motives--Exhibitions
Art, Modern--21st century--Themes, motives--Exhibitions
Biology in art--Exhibitions.
Gallé, Emile, 1846-1904--Exhibitions.
Princeton subject headings:
Art, European--Exhibitions.
Gallé, Emile, 1846-1904--Exhibitions.