Columbia subject headings:
Navia, 1957---Exhibitions.
Photography, Artistic--Exhibitions.
Spain--Rural conditions--Pictorial works--Exhibitions.
Sparsely populated areas--Spain--Pictorial works--Exhibitions.
Harvard subject headings:
Navia, 1957---Exhibitions.
Photography, Artistic--Exhibitions
Spain--Rural conditions--Pictorial works--Exhibitions.
Sparsely populated areas--Spain--Pictorial works--Exhibitions.
Princeton subject headings:
Navia, 1957---Exhibitions.
Photography, Artistic--Exhibitions.
Spain--Rural conditions--Pictorial works--Exhibitions.
Sparsely populated areas--Spain--Pictorial works--Exhibitions.