Columbia subject headings:
Literature--Philosophy.
Schiller, Friedrich, 1759-1805--Criticism and interpretation.
Schiller, Friedrich, 1759-1805--Philosophy.
Harvard subject headings:
Literature--Philosophy
Schiller, Friedrich, 1759-1805--Criticism and interpretation.
Schiller, Friedrich, 1759-1805--Philosophy.
Princeton subject headings:
Essay.
Schiller, Friedrich, 1759-1805--Philosophy.