The list of symphonies in D-flat major includes:
Paul Büttner Symphony No.3 (1915) Erwin Dressel Symphony in D-flat major (1928) Anastazy Wilhelm Dreszer Symphony No. 1, Op. 3 (1865)Walter Frisch, Brahms: The Four Symphonies New Haven: Yale University Press (2003): 8. In a "chronological listing of symphonies by contemporary composers published" in the time between Schumann's Third and Brahms's First. Howard Hanson Symphony No. 2 "Romantic", Op. 30 (1930) Nikolai Myaskovsky Symphony No. 25, Op. 69 (1946) Ture Rangström Symphony No. 3 "Sång under stjärnorna" (1929)
References