Columbia subject headings:
Heine, Heinrich, 1797-1856--Political and social views.
Literature and revolutions.
Revolutions in literature.
Harvard subject headings:
Heine, Heinrich, 1797-1856--Political and social views.
Literature and revolutions
Revolutions in literature.
Princeton subject headings:
Heine, Heinrich, 1797-1856--Political and social views.
Literature and revolutions.
Revolutions in literature.