Columbia subject headings:
Harvard subject headings:
Aesthetics, Modern--18th century--Congresses.
Schiller, Friedrich, 1759-1805--Correspondence--Congresses.
Schiller, Friedrich, 1759-1805. Über die ästhetische Erziehung des Menschen in einer Reihe von Briefen--Congresses.
Princeton subject headings:
Aesthetics.
Schiller, Friedrich, 1759-1805.