Columbia subject headings:
Harvard subject headings:
Constance (Lake of, Region)--Antiquities.
Excavations (Archaeology)--Constance, Lake of, Region.
Excavations (Archaeology)--Switzerland--Thurgau.
Switzerland--Antiquities.
Thurgau (Switzerland)--Antiquities.
Princeton subject headings:
Constance, Lake, Region--Antiquities.
Excavations (Archaeology)--Constance, Lake, Region.
Excavations (Archaeology)--Switzerland--Thurgau.
Switzerland--Antiquities.
Thurgau (Switzerland)--Antiquities.