Columbia subject headings:
Harvard subject headings:
Heine, Heinrich, 1797-1856--Knowledge--History.
Heine, Heinrich, 1797-1856--Political and social views.
History in literature.
Larra, Mariano José de, 1809-1837--Knowledge--History.
Larra, Mariano José de, 1809-1837--Political and social views.
Literature and history.
Princeton subject headings:
Heine, Heinrich, 1797-1856--Knowledge--History.
History--Philosophy.
Larra, Mariano José de, 1809-1837--Knowledge--History.
Literature and history.