Columbia subject headings:
Pyrenees--In art.
Viollet-le-Duc, Eugène-Emmanuel, 1814-1879--Travel--Pyrenees.
Viollet-le-Duc, Eugène-Emmanuel, 1814-1879.
Harvard subject headings:
Princeton subject headings:
Pyrenees--In art.
Viollet-le-Duc, Eugène-Emmanuel, 1814-1879--Travel--Pyrenees.
Viollet-le-Duc, Eugène-Emmanuel, 1814-1879.