Columbia subject headings:
Civilization, Medieval, in literature.
German literature--Middle High German, 1050-1500--History and criticism.
Holy Roman Empire--In literature.
Harvard subject headings:
German literature--Middle High German, 1050-1500--History and criticism
Holy Roman Empire--In literature.
Princeton subject headings:
German literature--Middle High German, 1050-1500--History and criticism.
Holy Roman Empire--In literature.