Columbia subject headings:
Harvard subject headings:
Cities and towns--Europe--History--Congresses
Collective memory--Europe--Congresses.
Historic preservation--Europe--Congresses.
Monuments--Europe--Congresses.
Princeton subject headings:
Cities and towns--Europe--History--Congresses.
Collective memory--Europe--Congresses.
Historic preservation--Europe--Congresses.
Monuments--Europe--Congresses.