Columbia subject headings:
Harvard subject headings:
Excavations (Archaeology)--Germany--North Rhine-Westphalia.
Germany--Antiquities.
Neolithic period--Germany--North Rhine-Westphalia.
North Rhine-Westphalia (Germany)--Antiquities.
Princeton subject headings:
Germany (West)--Antiquities.
Land settlement patterns--Germany (West).
Neolithic period--Germany (West).
Rhine River Valley--Antiquities.