Columbia subject headings:
Harvard subject headings:
Arts--History
Arts--Philosophy
German language--History.
German language--Philosophy.
German literature--History and criticism
German literature--Philosophy.
Music--Philosophy and aesthetics
Poetics
Princeton subject headings:
Arts--History.
Arts--Philosophy.
German language--History.
German language--Philosophy.
German literature--History and criticism.
German literature--Philosophy.
Music--Philosophy and aesthetics.
Poetics.