Compositions   1872: May Night 1875: Serenade for Strings 1876: Piano Concerto 1878: Slavonic Dances 1880: Symphony No 6 1885: Symphony No 7 1889: Symphony No 8 1891: Dumka Piano Trio 1893: Symphony No 9 ("New World") 1893: String Quartet in F ("American") 1896: Four Symphonic Poems 1901: Russalka	Philosophy 1867: Marx: Das Kapital           1883: Nietzche: Thus Spake Zarathustra           1900: Russell: Principia Mathematica 1929: Heidegger: What is Philosophy?