Columbia subject headings:
Haltern in Westfalen (Germany)--Antiquities, Roman.
Nonferrous metals--Germany--Haltern in Westfalen.
Romans--Germany--Haltern in Westfalen.
Harvard subject headings:
Excavations (Archaeology)--Germany--Haltern in Westfalen.
Haltern in Westfalen (Germany)--Antiquities, Roman.
Nonferrous metals--Germany--Haltern in Westfalen.
Princeton subject headings:
Excavations (Archaeology)--Germany--Haltern in Westfalen.
Haltern in Westfalen (Germany)--Antiquities, Roman.
Nonferrous metals--Germany--Haltern in Westfalen.