Columbia subject headings:
Altenberg (Siegerland, Germany)
Excavations (Archaeology)--Germany--Siegerland.
Mines and mineral resources--Germany--Siegerland.
Siegerland (Germany)--Antiquities.
Harvard subject headings:
Altenberg (Siegerland, Germany).
Excavations (Archaeology)--Germany--Siegerland.
Mines and mineral resources--Germany--Siegerland.
Siegerland (Germany)--Antiquities.
Princeton subject headings:
Altenberg (Siegerland, Germany)
Excavations (Archaeology)--Germany--Siegerland.
Mines and mineral resources--Germany--Siegerland.
Siegerland (Germany)--Antiquities.