Columbia subject headings:
Heine, Heinrich, 1797-1856--Ethics.
Heine, Heinrich, 1797-1856--Religion.
Pantheism.
Harvard subject headings:
Heine, Heinrich, 1797-1856--Philosophy.
Heine, Heinrich, 1797-1856--Religion.
Pantheism.
Princeton subject headings:
Heine, Heinrich, 1797-1856--Ethics.
Heine, Heinrich, 1797-1856--Religion.
Pantheism.