Columbia subject headings:
Antiquities, Prehistoric--Congresses.
Cave dwellers--Congresses.
Cave dwellings--Congresses.
Caves--Economic aspects--Congresses.
Religion, Prehistoric--Congresses.
Sacred space--Congresses.
Stone age--Congresses.
Harvard subject headings:
Antiquities, Prehistoric--Congresses
Cave dwellings--Congresses.
Cave paintings--Congresses.
Caves--Economic aspects--Congresses.
Princeton subject headings:
Antiquities, Prehistoric--Congresses.
Cave dwellings--Congresses.
Cave paintings--Congresses.
Caves--Economic aspects--Congresses.