Columbia subject headings:
Bachelard, Gaston, 1884-1962--Criticism and interpretation.
Bergson, Henri, 1859-1941--Criticism and interpretation.
Harvard subject headings:
Bachelard, Gaston, 1884-1962--Criticism and interpretation.
Bachelard, Gaston, 1884-1962.
Bergson, Henri, 1859-1941
Bergson, Henri, 1859-1941--Criticism and interpretation.
Princeton subject headings:
Bachelard, Gaston, 1884-1962.
Bergson, Henri, 1859-1941.
Science--Philosophy.