Columbia subject headings:
Painting, European--19th century--Exhibitions.
Painting, Spanish--19th century--Exhibitions.
Painting--Spain--Bilbao--Exhibitions.
Harvard subject headings:
Painting, European--19th century--Exhibitions.
Painting, Spanish--19th century--Exhibitions
Painting--Spain--Bilbao--Exhibitions.
Princeton subject headings:
Painting, European--19th century--Exhibitions.
Painting, Spanish--19th century--Exhibitions.
Painting--Spain--Bilbao--Exhibitions.