Columbia subject headings:
Harvard subject headings:
German language--Grammar.
German language--Middle High German, 1050-1500--Grammar.
German language--Middle High German, 1050-1500--Tense.
German language--Tense.
Oral tradition.
Princeton subject headings:
German language--Grammar.
German language--Middle High German, 1050-1500--Grammar.
German language--Middle High German, 1050-1500--Tense.
German language--Tense.
Oral tradition.