Columbia subject headings:
Architecture--France--Tours--History--Pictorial works.
Tours (France)--Buildings, structures, etc.--Pictorial works.
Urban beautification--France--Tours--History--Pictorial works.
Harvard subject headings:
Architecture--France--Tours.
Tours (France)--Buildings, structures, etc.--Pictorial works.
Tours (France)--History--Pictorial works.
Princeton subject headings:
Architecture--France--Tours.
Tours (France)--Buildings, structures, etc.--Pictorial works.
Tours (France)--History--Pictorial works.