Columbia subject headings:
Byzantine antiquities--Greece--Macedonia.
Castles--Greece--Macedonia.
Macedonia (Greece)--Antiquities.
Harvard subject headings:
Byzantine antiquities--Greece--Macedonia.
Byzantine antiquities.
Castles--Greece--Macedonia.
Macedonia (Greece)--Antiquities.
Princeton subject headings:
Byzantine antiquities--Greece--Macedonia.
Castles--Greece--Macedonia.
Macedonia (Greece)--Antiquities.