Columbia subject headings:
Harvard subject headings:
Adler, Max, 1873-1937--Political and social views.
Cassirer, Ernst, 1874-1945--Criticism and interpretation.
Civilization--Philosophy
Husserl, Edmund, 1859-1938
Möckel, Christian, 1952-
Philosophy, Modern.
Political science--Philosophy
Princeton subject headings:
Cassirer, Ernst, 1874-1945.
Civilization--Philosophy.
Culture--Philosophy.
Signs and symbols--Philosophy.