Columbia subject headings:
Antiquities, Prehistoric--Europe--Congresses.
Beheading--Congresses.
Craniology--Congresses.
Harvard subject headings:
Antiquities, Prehistoric--Europe--Congresses.
Beheading--Congresses.
Craniology--Congresses.
Europe--Antiquities--Congresses.
Princeton subject headings:
Beheading--Congresses.
Craniology--Congresses.
Europe--Antiquities--Congresses.