Columbia subject headings:
Classe Fuori (Italy)--Antiquities.
Excavations (Archaeology)--Italy.
Ravenna (Italy)--Antiquities.
Harvard subject headings:
Classe Fuori (Italy)--Antiquities.
Excavations (Archaeology)--Italy
Ravenna (Italy)--Antiquities.
Princeton subject headings:
Classis (Ancient city)
Excavations (Archaeology)--Italy--Classis (Ancient city).
Excavations (Archaeology)--Italy--Ravenna.
Italy--Antiquities.
Ravenna (Italy)--Antiquities.