Columbia subject headings:
Olive industry and trade--Turkey--History.
Olive oil--Turkey--History.
Olive--Turkey--History.
Harvard subject headings:
Olive industry and trade--Turkey--History.
Olive oil--Turkey--History.
Olive--Turkey--History.
Princeton subject headings:
Olive industry and trade--Turkey--History.
Olive oil--Turkey--History.
Olive--Turkey--History.