Michael Jamieson Bristow 
UNFINISHED SYMPHONIES
Symphony Nr.3 in A minor (1886-1887) - Alexander Borodin (1833-1887) - Russian
Symphony Nr.9 in D minor (1896) - Anton Bruckner (1824-1896) - Austrian
Symphony Nr.3 in C minor (1932-1934) - Edward Elgar (1857-1934) - British
Symphony Nr.4 (1934) - Georges Enescu (1881-1955) - Romanian
Symphony Nr.5 in D major (1941) - Georges Enescu (1881-1955) - Romanian
Symphony Nr.9 in D minor (1910) - Alexander Glazunov (1865-1936) - Russian
Symphony Nr.10 in F sharp minor (1910-1911) - Gustav Mahler (1860-1911) - Austrian
Symphony Nr.2 in E flat major (1945-1950) - Ernest Moeran (1894-1950) - British (most of this symphony was destroyed by the composer)
Symphony Nr.6 'Hellas' (1935) - Wilhelm Peterson-Berger (1867-1942) - Swedish
Symphony Nr.7 in E major/minor (1821) - Franz Schubert (1797-1828) - Austrian
Symphony Nr.8 in B minor (1822) - Franz Schubert (1797-1928) - Austrian
Symphony Nr.16 (1975) Opus 147c - Dmitry Shostakovich (1906-1975) - Russian
Symphony Nr.8 (1920's & 1930's) - Jean Sibelius (1865-1957) - Finnish (this symphony is believed to have been destroyed)
Symphony Nr.3 in C major (1918-1919) - Wilhelm Stenhammer (1871-1927) - Swedish
Symphony Nr.3 in E major (1882-1883) - Johann Svendsen (1840-1911) - Norwegian (this symphony was burnt by his wife in anger)
Symphony Nr.3 (1974) - William Walton (1902-1983) - British