Columbia subject headings:
German language--Middle High German, 1050-1500--Verb.
Nibelungenlied--Language.
Harvard subject headings:
German language--Middle High German, 1050-1500--Verb.
Nibelungenlied--Language.
Princeton subject headings:
German language--Middle High German, 1050-1500--Verb.
Nibelungenlied--Language.