Columbia subject headings:
Brothers--Greece--Drama.
Mistaken identity--Drama.
Survival--Drama.
Twins--Greece--Drama.
Harvard subject headings:
Brothers--Drama
Brothers--Greece--Drama.
Greece--Drama.
Mistaken identity--Drama
Shipwreck survival--Drama
Shipwreck victims--Drama
Twins--Drama
Twins--Greece--Drama.
Princeton subject headings:
Brothers--Drama.
Drama.
Greece--Drama.
Mistaken identity--Drama.
Shipwreck survival--Drama.
Twins--Drama.