Columbia subject headings:
Harvard subject headings:
Gadenne, Paul, 1907-1956--Philosophy.
Perros, Georges--Philosophy.
Philosophy in literature.
Philosophy, Ancient, in literature.
Thomas, Henri, 1912-1993--Philosophy.
Princeton subject headings:
French literature--20th century--History and criticism.
Gadenne, Paul, 1907-1956--Philosophy.
Literature--Philosophy.
Perros, Georges--Philosophy.
Philosophy in literature.
Thomas, Henri, 1912---Philosophy.