Columbia subject headings:
German language--Old High German, 750-1050--Congresses.
German literature--Old High German, 750-1050--Criticism and interpretation--Congresses.
Harvard subject headings:
German language--Old High German, 750-1050--Congresses.
German literature--Old High German, 750-1050--Criticism and interpretation--Congresses.
German literature--Old High German, 750-1050--History and criticism--Congresses.
Princeton subject headings:
Bible--Criticism, interpretation, etc.--Germany--History--Middle Ages, 600-1500--Congresses.
German language--Old High German, 750-1050--Congresses.
German literature--Old High German, 750-1050--History and criticism--Congresses.
Ludwigslied--Congresses.