Columbia subject headings:
Berthold, von Holle, active 13th century--Technique.
Oral tradition--Germany.
Oral-formulaic analysis.
Harvard subject headings:
Berthold, von Holle, active 13th century--Technique.
Oral tradition--Germany.
Oral-formulaic analysis.
Rhetoric, Medieval.
Princeton subject headings:
Berthold, von Holle, active 13th century--Technique.
Oral tradition--Germany.
Oral-formulaic analysis.