Columbia subject headings:
Cassirer, Ernst, 1874-1945--Religion--Congresses.
Religion and culture--History--Congresses.
Harvard subject headings:
Cassirer, Ernst, 1874-1945--Views on religion.
Philosophy and religion.
Symbolism.
Princeton subject headings:
Cassirer, Ernst, 1874-1945--Religion--Congresses.
Religion and culsture--History--Congresses.