Columbia subject headings:
German literature--19th century--History and criticism.
German literature--20th century--History and criticism.
Germany--Intellectual life--19th century.
Harvard subject headings:
German literature--19th century--History and criticism
German literature--20th century--History and criticism
Germany--Intellectual life.
Princeton subject headings:
Decadence (Literary movement)
German literature--19th century--History and criticism.