Columbia subject headings:
Harvard subject headings:
Arts, Modern--18th century--Congresses.
Arts, Modern--19th century--Congresses.
Color in literature--Congresses.
German literature--18th century--History and criticism--Congresses
German literature--19th century--History and criticism--Congresses
Romanticism--Germany--Congresses
Princeton subject headings:
Arts, Modern--18th century--Congresses.
Arts, Modern--19th century--Congresses.
Color in literature--Congresses.
German literature--18th century--History and criticism--Congresses.
German literature--19th century--History and criticism--Congresses.
Romanticism--Germany--Congresses.