Columbia subject headings:
Harvard subject headings:
Olive industry and trade--Greece--Peloponnesus (Peninsula)--History.
Olive oil industry--Greece--Peloponnesus (Peninsula)--History.
Olive oil--Greece--Peloponnesus (Peninsula)--History.
Olive--Greece--Peloponnesus (Peninsula)--History.
Peloponnesus (Greece : Peninsula)
Princeton subject headings:
Olive industry and trade--Greece--Peloponnesus--History.
Olive oil industry--Greece--Peloponnesus--History.
Olive oil--Greece--Peloponnesus--History.
Olive--Greece--Peloponnesus--History.