Compositions   1924: Piano Concerto 1924: Das Marienleben 1930: Concert Music for Strings and Brass 1934: Mathis der Maler Symphony 1939: Violin Concerto 1943: Symphonic Metamorphoses on Weber 1947: Symphonia Serena 1950: Requiem for Those We Love 1951: Der Harmonie der Welt Symphony	Philosophy 1900: Russell: Principia Mathematica     1929: Heidegger: What is Philosophy?     1943: Sartre: Being and Nothingness       1956: Dewey: Reconstruction in Philosophy