Columbia subject headings:
Harvard subject headings:
Baselland (Switzerland)--Antiquities, Celtic.
Celts--Switzerland--Sissach.
Civilization, Celtic.
Excavations (Archaeology)--Switzerland--Sissach.
Pottery--Switzerland--Sissach.
Sissach (Switzerland)--Antiquities, Celtic.
Princeton subject headings:
Baselland (Switzerland)--Antiquities, Celtic.
Celts--Switzerland--Baselland.
Civilization, Celtic.
Excavations (Archaeology)--Switzerland--Baselland.
Pottery--Switzerland--Baselland.