Columbia subject headings:
Bergson, Henri, 1859-1941. Evolution créatrice--Congresses.
Evolution--Congresses.
Life--Congresses.
Philosophy and science--Congresses.
Philosophy, French--20th century--Congresses.
Harvard subject headings:
Bergson, Henri, 1859-1941. Evolution créatrice--Congresses.
Evolution--Congresses
Life--Congresses
Philosophy and science--Congresses.
Philosophy, French--20th century--Congresses.
Princeton subject headings:
Bergson, Henri, 1859-1941. Evolution créatrice--Congresses.
Evolution--Congresses.
Life--Congresses.
Philosophy and science--Congresses.
Philosophy, French--20th century--Congresses.