Columbia subject headings:
Art and literature--Congresses.
Hesse, Hermann, 1877-1962--Congresses.
Harvard subject headings:
Art and literature--Congresses.
Hesse, Hermann, 1877-1962--Criticism and interpretation--Congresses.
Princeton subject headings:
Art and literature--Congresses.
Hesse, Hermann, 1877-1962--Congresses.