1. Arnold Schoenberg , “Composition with Twelve Tones (1)” (1941), in Style and Idea, pp. 217–18
2. On the Origin of the Twelve-Tone Method: Schoenberg’s Sketches for the Unfinished Symphony (1914–1915);Hamao;Current Musicology,1986
3. A View of Schoenberg’s Op. 19, No. 2;Williams;College Music Symposium,1985