Columbia subject headings:
Archaeology--Methodology--Congresses.
Economics, Prehistoric--Congresses.
Economics, Prehistoric--Spain--Congresses.
Spain--Antiquities--Congresses.
Stone implements--Congresses.
Harvard subject headings:
Archaeology--Methodology--Congresses
Archaeology--Portugal--Congresses.
Archaeology--Spain--Congresses.
Economics, Prehistoric--Congresses.
Economics, Prehistoric--Spain--Congresses.
Functionalism (Social sciences)--Congresses.
Prehistoric peoples--Congresses
Spain--Antiquities--Congresses.
Stone implements--Congresses.
Princeton subject headings:
Archaeology--Methodology--Congresses.
Economics, Prehistoric--Congresses.
Economics, Prehistoric--Spain--Congresses.
Spain--Antiquities--Congresses.
Stone implements--Congresses.