Columbia subject headings:
Harvard subject headings:
Aar River Valley (Switzerland)--Antiquities.
Bern (Switzerland : Canton)--Antiquities.
Excavations (Archaeology)--Switzerland--Aar River Valley.
Excavations (Archaeology)--Switzerland--Bern (Canton)
Excavations (Archaeology)--Switzerland--Oberaargau.
Oberaargau (Switzerland)--Antiquities.
Princeton subject headings:
Aar River Valley (Switzerland)--Antiquities.
Bern (Switzerland : Canton)--Antiquities.
Excavations (Archaeology)--Switzerland--Aar River Valley.
Excavations (Archaeology)--Switzerland--Bern (Canton).