Columbia subject headings:
Antiquities--Collection and preservation--Congresses.
Archaeology--Methodology--Congresses.
Excavations (Archaeology)--Congresses.
Harvard subject headings:
Antiquities--Collection and preservation--Congresses
Archaeology--Methodology--Congresses
Excavations (Archaeology)--Congresses
Salvage archaeology--Congresses.
Princeton subject headings:
Antiquities--Collection and preservation--Congresses.
Archaeology--Methodology--Congresses.
Architecture--Conservation and restoration--Congresses.