Columbia subject headings:
European literature--19th century--History and criticism.
European literature--20th century--History and criticism.
Expressionism.
German literature--19th century--History and criticism.
German literature--20th century--History and criticism.
Harvard subject headings:
Expressionism
Expressionism in literature.
German literature--20th century--History and criticism
Literature, Modern--19th century--History and criticism
Literature, Modern--20th century--History and criticism
Self in literature.
Subjectivity in literature.
Princeton subject headings:
European literature--19th century--History and criticism.
European literature--20th century--History and criticism.
Expressionism.
German literature--19th century--History and criticism.
German literature--20th century--History and criticism.