Columbia subject headings:
Harvard subject headings:
City planning--Greece--Eretria (Extinct city)
Eretria (Extinct city)
Excavations (Archaeology)--Greece--Eretria (Extinct city)
Greece--Antiquities.
Princeton subject headings:
City planning--Greece--Psara Island.
Eretria (Extinct city)
Excavations (Archaeology)--Greece--Eretria (Extinct city).
Psara (Greece : Municipality)--Antiquities.
Psara (Greece : Municipality)--Description and travel.