Columbia subject headings:
German literature--Middle High German, 1050-1500--Criticism, Textual.
German literature--Middle High German, 1050-1500--History and criticism.
Ruh, Kurt, 1914-2002.
Harvard subject headings:
German literature--Middle High German, 1050-1500--Criticism, Textual.
German literature--Middle High German, 1050-1500--History and criticism
Ruh, Kurt, 1914-
Princeton subject headings:
German literature--Middle High German, 1050-1500--History and criticism.
Ruh, Kurt, 1914-2002.
Transmission of texts.