Columbia subject headings:
Harvard subject headings:
Olive oil mills--Greece--Peloponnesus--History.
Olive oil presses--Greece--Peloponnesus--History.
Olive oil--Greece--History.
Princeton subject headings:
Olive oil industry--Greece--Peloponnesus--History.
Olive oil mills--Greece--Peloponnesus--History.
Olive oil presses--Greece--Peloponnesus--History.
Peloponnesus (Greece : Peninsula)--Antiquities.