Columbia subject headings:
Harvard subject headings:
Archaeology--Field work--Congresses.
Archaeology--Germany (East)--Congresses.
Excavations (Archaeology)--Germany (East)--Congresses.
Germany--Antiquities--Congresses.
Princeton subject headings:
Archaeology--Field work--Congresses.
Archaeology--Germany (East)--Congresses.
Excavations (Archaeology)--Germany (East)--Congresses.
Germany (East)--Antiquities--Congresses.