Columbia subject headings:
Harvard subject headings:
Europe--Intellectual life--18th century--Congresses.
German literature--18th century--History and criticism--Congresses
Germany--Intellectual life--18th century--Congresses.
Middle class in literature--Congresses.
Middle class--Germany--Intellectual life.
Princeton subject headings:
German literature--18th century--History and criticism--Congresses.
Literature, Modern--18th century--History and criticism--Congresses.
Middle class in literature--Congresses.