Columbia subject headings:
Einstein, Carl, 1885-1940--Criticism and interpretation.
Modernism (Aesthetics)
Harvard subject headings:
Einstein, Carl, 1885-1940--Criticism and interpretation.
Knowledge, Theory of, in literature.
Literature and morals.
Political ethics.
Princeton subject headings:
Einstein, Carl, 1885-1940--Criticism and interpretation.
Modernism (Aesthetics)