Columbia subject headings:
Ertuğrul (Frigate)--Fiction.
Turkey--History, Naval--Fiction.
Turkey--Relations--Japan--Fiction.
Warships--Turkey--History--Fiction.
Harvard subject headings:
Ertuğrul (Frigate)--Fiction.
Turkey--History, Naval--Fiction.
Turkey--Relations--Japan--Fiction.
Warships--Turkey--History--Fiction.
Princeton subject headings:
Ertuğrul (Frigate)--Fiction.
Fiction.
Novels.
Turkey--History, Naval--Fiction.
Turkey--Relations--Japan--Fiction.
Warships--Turkey--History--Fiction.