Columbia subject headings:
Harvard subject headings:
Aesthetics, Modern--19th century.
Aesthetics, Modern--20th century.
Germanic literature--19th century--History and criticism.
Germanic literature--20th century--History and criticism.
Literature and science--Europe, German-speaking.
Princeton subject headings:
German literature--19th century--History and criticism--Congresses.
Literature, Modern--19th century--History and criticism--Congresses.
Scandinavian literature--19th century--History and criticism--Congresses.
Scandinavian literature--Appreciation--Germany--Congresses.