Columbia subject headings:
German poetry--Middle High German, 1050-1500--History and criticism.
Rudolf, von Ems, -approximately 1254.
Rudolf, von Ems, -approximately 1254. Weltchronik--Criticism and interpretation.
Harvard subject headings:
Rudolf, von Ems, -approximately 1254--Appreciation--Congresses.
Rudolf, von Ems, -approximately 1254--Criticism and interpretation--Congresses.
Princeton subject headings:
German poetry--Middle High German, 1050-1500--History and criticism.
Rudolf, von Ems, -approximately 1254.
Rudolf, von Ems, -approximately 1254. Weltchronik--Criticism and interpretation.