Columbia subject headings:
Alpheios River Region (Greece)--Economic conditions--19th century.
Logging--Greece--Alpheios River Region--History--19th century.
Ships, Wooden--Greece--History--19th century.
Harvard subject headings:
Logging--Greece--Peloponnēsos.
Peloponnēsos (Greece)--History--19th century.
Shipbuilding--Greece--Peloponnēsos.
Princeton subject headings:
Logging--Greece--Peloponnēsos.
Peloponnēsos (Greece)--History--19th century.
Shipbuilding--Greece--Peloponnēsos.