Compositions   1891: Variations on "America" for Organ 1902: Symphony No 2 1904: Symphony No 3 1907: Central Park in the Dark 1908: The Unanswered Question 1914: Three Places in New England 1916: Symphony No 4	Philosophy 1883: Nietzche: Thus Spake Zarathustra   1900: Russell: Principia Mathematica           1929: Heidegger: What is Philosophy?