Columbia subject headings:
Europe--Antiquities--Congresses.
Human beings--Effect of environment on--Europe--Congresses.
Paleoecology--Europe--Congresses.
Paleolithic period--Europe--Congresses.
Paleontology--Pleistocene--Congresses.
Prehistoric peoples--Europe--Congresses.
Harvard subject headings:
Princeton subject headings:
Europe, Northern--Antiquities.
Paleolithic period--Europe, Northern.