Columbia subject headings:
Spain--History--19th century--Pictorial works--Exhibitions.
Spain--History--20th century--Pictorial works--Exhibitions.
Spain--Social life and customs--Pictorial works--Exhibitions.
Harvard subject headings:
Spain--History--19th century--Pictorial works--Exhibitions.
Spain--History--20th century--Pictorial works--Exhibitions.
Spain--Social life and customs--Pictorial works--Exhibitions.
Princeton subject headings:
Spain--History--19th century--Pictorial works--Exhibitions.
Spain--History--20th century--Pictorial works--Exhibitions.
Spain--Social life and customs--Pictorial works--Exhibitions.