Columbia subject headings:
Arbon (Switzerland)--Antiquities, Roman.
Excavations (Archaeology)--Switzerland--Arbon.
Fortification, Roman--Switzerland--Arbon.
Romans--Switzerland--Arbon.
Thurgau (Switzerland)--Antiquities, Roman.
Harvard subject headings:
Arbon (Switzerland)--Antiquities, Roman.
Excavations (Archaeology)--Switzerland--Arbon.
Fortification, Roman--Switzerland--Arbon.
Romans--Switzerland--Arbon.
Thurgau (Switzerland)--Antiquities, Roman.
Princeton subject headings:
Arbon (Switzerland)--Antiquities, Roman.
Excavations (Archaeology)--Switzerland--Arbon.
Fortification, Roman--Switzerland--Arbon.
Romans--Switzerland--Arbon.
Thurgau (Switzerland)--Antiquities, Roman.