Columbia subject headings:
Greece--Antiquities.
Gyali Island (Greece)--Antiquities.
Kōs (Greece : Municipality)--Antiquities.
Nisyros (Greece)--Antiquities.
Petrology--Greece--Gyali Island.
Petrology--Greece--Kos Island.
Petrology--Greece--Nisyros.
Harvard subject headings:
Greece--Antiquities.
Gyali Island (Greece)--Antiquities.
Kōs (Greece : Municipality)--Antiquities.
Nisyros (Greece)--Antiquities.
Nisyros Island (Greece)--Antiquities.
Petrology--Greece--Giali Island.
Petrology--Greece--Kōs (Municipality)
Petrology--Greece--Nisyros.
Princeton subject headings:
Greece--Antiquities.
Gyali Island (Greece)--Antiquities.
Kōs (Greece : Municipality)--Antiquities.
Nisyros Island (Greece)--Antiquities.
Petrology--Greece--Giali Island.
Petrology--Greece--Kos Island.
Petrology--Greece--Nisyros Island.