Columbia subject headings:
Aegean Islands (Greece and Turkey)--Economic conditions.
Mineral industries--Aegean Islands (Greece and Turkey)--History.
Harvard subject headings:
Aegean Islands (Greece and Turkey)--Economic conditions.
Mineral industries--Aegean Islands (Greece and Turkey)--History.
Mines and mineral resources--Aegean Islands (Greece and Turkey)--History.
Quarries and quarrying--Aegean Islands (Greece and Turkey)--History.
Princeton subject headings: