Columbia subject headings:
Expressionism in literature.
German literature--19th century--History and criticism.
German literature--20th century--History and criticism.
Naturalism in literature.
Harvard subject headings:
German literature--19th century--History and criticism
German literature--20th century--History and criticism
Germany--Intellectual life--19th century.
Germany--Intellectual life--20th century.
Social psychology and literature--Germany.
Princeton subject headings:
Expressionism.
German literature--19th century--History and criticism.
German literature--20th century--History and criticism.
Germany--Intellectual life--19th century.
Germany--Intellectual life--20th century.
Naturalism in literature.