Columbia subject headings:
German literature--Germany--Rhineland--History and criticism.
German literature--Middle High German, 1050-1500--History and criticism.
Rhineland (Germany)--History.
Harvard subject headings:
Princeton subject headings:
German literature--Germany (West)--Rhine River Valley--History and criticism.
German literature--Middle High German, 1050-1500--History and criticism.
Rhine River Valley--History.