Columbia subject headings:
Harvard subject headings:
Greece--History, Naval--19th century--Sources.
Hydra Island (Greece)--History, Naval--19th century--Sources.
Spetses (Greece : Municipality)--History, Naval--19th century--Sources.
Princeton subject headings:
Greece--History, Naval--19th century--Sources.
Greece--History--War of Independence, 1821-1829--Sources.
Hydra Island (Greece)--History, Naval--19th century--Sources.
Spetses (Greece : Municipality)--History, Naval--19th century--Sources.