Columbia subject headings:
Barcelona (Spain)
Palma de Mallorca (Spain)
Valencia (Spain)
Harvard subject headings:
Barcelona (Spain)--History--Exhibitions.
Palma de Mallorca (Spain)--Exhibitions.
Valencia (Spain)--Exhibitions.
Princeton subject headings:
Barcelona (Spain)--Exhibitions.
Palma de Mallorca (Spain)--Exhibitions.
Spain--Civilization--Exhibitions.
Valencia (Spain)--Exhibitions.