Columbia subject headings:
Schiller, Friedrich, 1759-1805--Political and social views--Congresses.
Harvard subject headings:
Politics in literature--Congresses.
Schiller, Friedrich, 1759-1805--Anniversaries, etc.--Congresses.
Schiller, Friedrich, 1759-1805--Criticism and interpretation--Congresses.
Princeton subject headings:
Schiller, Friedrich, 1759-1805--Political and social views--Congresses.