Columbia subject headings:
Hugo, Victor, 1802-1885--Knowledge and learning.
Hugo, Victor, 1802-1885--Philosophy.
Occultism.
Harvard subject headings:
Hugo, Victor, 1802-1885--Knowledge--Occult sciences.
Hugo, Victor, 1802-1885--Philosophy.
Princeton subject headings:
Hugo, Victor, 1802-1885--Knowledge--Occultism.
Hugo, Victor, 1802-1885--Philosophy.
Occultism in literature.
Philosophy in literature.