Columbia subject headings:
Harvard subject headings:
Merchant marine--Greece--Ithaca Island--History--18th century.
Merchant marine--Greece--Ithaca Island--History--19th century.
Shipping--Greece--Ithaca Island--History--18th century.
Shipping--Greece--Ithaca Island--History--19th century.
Princeton subject headings:
Merchant marine--Greece--Ithaca Island--History--18th century.
Merchant marine--Greece--Ithaca Island--History--19th century.
Shipping--Greece--Ithaca Island--History--18th century.
Shipping--Greece--Ithaca Island--History--19th century.