Columbia subject headings:
Naturalism in literature.
Harvard subject headings:
Naturalism in literature.
Princeton subject headings:
German literature--19th century--History and criticism.
Hauptmann, Gerhart, 1862-1946--Criticism and interpretation.
Holz, Arno, 1863-1929--Criticism and interpretation.
Naturalism in literature.
Naturalism.
Schlaf, Johannes, 1862-1941--Criticism and interpretation.