Columbia subject headings:
Architecture, Domestic--Pyrenees Region--Pictorial works.
Country homes--Pyrenees Region--Pictorial works.
Hillside architecture--Pyrenees Region--Pictorial works.
Harvard subject headings:
Architecture, Domestic--Spain--Pyrine Region--Pictorial works.
Country homes--Spain--Pyrine Region--Pictorial works.
Hillside architecture--Spain--Pyrine Region--Pictorial works.
Princeton subject headings:
Architecture, Domestic--Spain.
Architecture, Modern--20th century--Spain.
Dwellings--Spain.
Hillside architecture--Spain.