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