Columbia subject headings:
Harvard subject headings:
Rudolf von Ems, -approximately 1254. Barlaam und Josaphat.
Rudolf, von Ems, -approximately 1254--Criticism, Textual.
Rudolf, von Ems, -approximately 1254--Manuscripts--Catalogs.
Rudolf, von Ems, -approximately 1254--Manuscripts.
Princeton subject headings:
Rudolf, von Ems, -approximately 1254. Barlaam und Josaphat.