Columbia subject headings:
Harvard subject headings:
Arts, German--Study and teaching--Congresses.
German literature--History and criticism--Theory, etc.--Congresses.
German literature--Study and teaching--Congresses.
Literature--History and criticism--Theory, etc.--Congresses
Princeton subject headings:
Aesthetics, German--History--18th century.
Aesthetics, German--History--19th century.
German literature--18th century--History and criticism.
German literature--19th century--History and criticism.