Columbia subject headings:
Olive oil mills--Greece--History.
Olive oil presses--Greece--History.
Olive oil--Greece--History.
Olive--Greece--History.
Harvard subject headings:
Greece--Antiquities.
Olive oil industry--Greece--History.
Olive oil--Greece--History.
Olive--Greece--History.
Olive--History--Early to 1800.
Princeton subject headings:
Olive oil mills--Greece--History.
Olive oil presses--Greece--History.
Olive oil--Greece--History.
Olive--Greece--History.