Columbia subject headings:
Castles--Conservation and restoration--France--Périgueux.
Château Barrière (Périgueux, France)
Historic buildings--France--Périgueux--Designs and plans.
Prix W.
Périgueux (France)--Buildings, structures, etc.
Harvard subject headings:
Architecture--Competitions--France
Architecture--France--21st century--Awards.
Princeton subject headings: