Columbia subject headings:
Heine, Heinrich, 1797-1856--Criticism and interpretation.
Heine, Heinrich, 1797-1856--Political and social views.
Harvard subject headings:
Heine, Heinrich, 1797-1856--Criticism and interpretation.
Heine, Heinrich, 1797-1856--Political and social views.
Princeton subject headings:
Heine, Heinrich, 1797-1856--Criticism and interpretation.
Heine, Heinrich, 1797-1856--Political and social views.