Columbia subject headings:
Heine, Heinrich, 1797-1856--Knowledge and learning.
Heine, Heinrich, 1797-1856--Political and social views.
History.
Industrial revolution in literature.
Harvard subject headings:
Heine, Heinrich, 1797-1856--Knowledge--History.
Heine, Heinrich, 1797-1856--Political and social views.
Industrial revolution in literature.
Princeton subject headings:
Heine, Heinrich, 1797-1856--Knowledge--History.
Heine, Heinrich, 1797-1856--Political and social views.
Industrial revolution in literature.