Columbia subject headings:
Germany--History--Revolution, 1848-1849.
Heine, Heinrich, 1797-1856--Political and social views.
Harvard subject headings:
Germany--History--Revolution, 1848-1849.
Heine, Heinrich, 1797-1856--Political and social views.
Princeton subject headings:
Germany--History--Revolution, 1848-1849.
Heine, Heinrich, 1797-1856--Political and social views.