Columbia subject headings:
Harvard subject headings:
Archaeology, Medieval--Switzerland--Marmorera.
Castles--Switzerland--Marmorera--History.
Excavations (Archaeology)--Switzerland--Marmorera.
Marmorera (Switzerland)--Antiquities.
Princeton subject headings:
Archaeology, Medieval--Switzerland--Marmorera.
Castles--Switzerland--Marmorera--History.
Excavations (Archaeology)--Switzerland--Marmorera.
Marmorera (Switzerland)--Antiquities.