Columbia subject headings:
Grevena (Greece : Nome)--Social life and customs.
Pindus Mountains (Greece)--Social life and customs.
Harvard subject headings:
Grevena (Greece : Nome)--Civilization.
Grevena (Greece : Nome)--History.
Grevena (Greece : Nome)--Social life and customs.
Pindus Mountains (Greece)--Social life and customs.
Princeton subject headings:
Grevená (Greece)
Pindus Mountains (Greece)