Columbia subject headings:
Excavations (Archaeology)--Italy--Ostia (Extinct city)--Congresses.
Inscriptions, Latin--Italy--Ostia (Extinct city)--Congresses.
Ostia (Extinct city)--Congresses.
Tombs--Italy--Isola Sacra--Antiquities--Congresses.
Urbanization--Italy--Ostia (Extinct city)--Congresses.
Harvard subject headings:
Excavations (Archaeology)--Italy--Ostia (Extinct city)--Congresses.
Inscriptions, Latin--Italy--Ostia (Extinct city)--Congresses.
Ostia (Extinct city)--Congresses.
Tombs--Italy--Isola Sacra--Antiquities--Congresses.
Urbanization--Italy--Ostia (Extinct city)--Congresses.
Princeton subject headings:
Excavations (Archaeology)--Italy--Ostia (Extinct city)--Congresses.
Inscriptions, Latin--Italy--Ostia (Extinct city)--Congresses.
Ostia (Extinct city)--Congresses.
Tombs--Italy--Isola Sacra--Congresses.
Urbanization--Italy--Ostia (Extinct city)--Congresses.