Columbia subject headings:
Harvard subject headings:
Castles--Greece--Lefkas Island.
Fortification--Greece--Lefkas Island.
Kastro tēs Hagias Mauras (Greece)
Kastro tēs Hagias Mauras.
Lefkas Island (Greece)--History.
Princeton subject headings:
Castles--Greece--Lefkas Island.
Fortification--Greece--Lefkas Island.
Kastro tēs Hagias Mauras (Greece)