Columbia subject headings:
Schiller, Friedrich, 1759-1805--Congresses.
Harvard subject headings:
German literature--18th century--History and criticism--Congresses
Schiller, Friedrich, 1759-1805--Criticism and interpretation--Congresses.
Schiller, Friedrich, 1759-1805--Philosophy--Congresses.
Princeton subject headings:
Schiller, Friedrich, 1759-1805--Congresses.