 Adorno, Theodor W. |  aesthetics: 19th Century Romantic |  Goodman, Nelson: aesthetics |  Hegel, Georg Wilhelm Friedrich: aesthetics |  Ingarden, Roman |  music, philosophy of |  music: history of western philosophy of, antiquity to 1800 |  -->Nietzsche, Friedrich: aesthetics--> |  ontology of art, history of |  Schelling, Friedrich Wilhelm Joseph von |  Schopenhauer, Arthur: aesthetics |  Schutz, Alfred |  Spencer, Herbert |  Wittgenstein, Ludwig: aesthetics 