Columbia subject headings:
Civilization, Viking.
Oral tradition--Scandinavia--History.
Vikings--Europe.
Harvard subject headings:
Civilization, Viking.
Jómsvikinga saga.
Old Norse literature--History and criticism.
Scandinavia--Civilization.
Vikings--Scandinavia--History.
Princeton subject headings:
Civilization, Viking.
Oral tradition--Scandinavia--History.
Vikings--Europe.