Columbia subject headings:
German literature--Middle High German, 1050-1500--History and criticism.
Low German literature--To 1500--History and criticism.
Harvard subject headings:
German literature--Middle High German, 1050-1500--History and criticism
Low German literature--Early to 1500--History and criticism.
Low German literature--To 1500--History and criticism.
Princeton subject headings:
German literature--Middle High German, 1050-1500--History and criticism.
Low German literature--Early to 1500--History and criticism.