Columbia subject headings:
Harvard subject headings:
Antiquities--Government policy--Europe--History--Congresses.
Archaeology--Europe--Societies, etc.--History--Congresses.
Archaeology--Government policy--Europe--History--Congresses.
Europe--Antiquities--Collection and preservation--History--Congresses.
Historic sites--Europe--Management--History--Congresses.
Historic sites--Government policy--Europe--History--Congresses.
Princeton subject headings:
Antiquities--Government policy--Europe--History--Congresses.
Archaeology--Europe--Societies, etc.--History--Congresses.
Archaeology--Government policy--Europe--History--Congresses.
Europe--Antiquities--Collection and preservation--History--Congresses.
Historic sites--Europe--Management--History--Congresses.
Historic sites--Government policy--Europe--History--Congresses.