Columbia subject headings:
German literature--Middle High German, 1050-1500--History and criticism.
Germany--History--To 1517.
Heine, Heinrich, 1797-1856--Knowledge and learning.
History.
Literature.
Harvard subject headings:
German literature--Middle High German, 1050-1500--History and criticism
Germany--History--To 1517
Heine, Heinrich, 1797-1856--Knowledge--History.
Heine, Heinrich, 1797-1856--Knowledge--Literature.
Princeton subject headings:
German literature--Middle High German, 1050-1500--History and criticism.
Germany--History--To 1517.
Heine, Heinrich, 1797-1856--Knowledge--History.
Heine, Heinrich, 1797-1856--Knowledge--Literature.