Skopelo group: Published according to act of Parliament at the Hydrographic Office of the Admirally. August 5th 1851 [Χάρτης]
- London: Sculp, J. & C. Walker, 1851.
- 1 σ.
- Archipelago .
24ο Longitude East from Greenwich. Τυπογραφικό κόσμημα: "Hydrographic Office. Archipelago" Δωρεά Ελληνική Κοινότητα Αλεξανδρείας