Columbia subject headings:
Harvard subject headings:
Eretria (Extinct city)
Euboea Island (Greece)--Antiquities.
Euboea Island (Greece)--Description and travel.
Princeton subject headings:
Eretria (Extinct city)
Euboea Island (Greece)--Antiquities.
Euboea Island (Greece)--Description and travel.
Euboea Island (Greece)--Guidebooks.
Guidebooks.