Columbia subject headings:
Harvard subject headings:
Boats and boating--North Sea.
Ingram, Michael.
Isle of Man--Anniversaries, etc.
North Sea--Description and travel.
Odin's Raven (Ship)
Vikings.
Princeton subject headings:
Boats and boating--Reproductions.
North Sea--Description and travel.
Odin's Ravin (Ship).
Viking ships.
Voyages and travels.