1799-1837 1840-1893 1882-1971 1890-1950 1906-1975 1954- 20thcentury academic aestheticsofmusic aleksandrsergeevich arnold ballet balletandclassicaldancemusic bibliography biography boulanger classicaldance classicaldancemusic composers conductors(music) correspondence criticism david dissertations dmitriĭdmitrievich generalaesthetics history historyandcriticism igor influencepushkin influencestravinsky modernism(literature) music musicandliterature nadia nijinsky peterilich philosophyofart russia russianpoetry schoenberg sheetmusic shostakovich snow songbooks tchaikovsky waslaw