Varese, Edgard - history and theory texts Alcaraz, J. A. Hablar de Musica (conversaciones con compositones des Continente Americano). (Mexico City: Universidad Autonoma Metropolitana, Coordinacion de Estension Universitatia, 1982) 161p. Claude, Jean-NoŠl, editor. Silences. 1 (1985): Musique Contemporaines. (Paris: Differnces/Silences, 1985) 279pp. Dahlhaus, C. Aussenseiter der Neuen Musik: Charles Ives und Edgard Varese. in International Musicological Society Congress Report. edited by C. Dahlhaus, and others. (Kassel, 1979). Griffiths, Paul. A concise history of modern music from Debussy to Boulez. (London: Thames and Hudson, 1978) 216pp. Harrison, L. and others. Soundings: Ives, Ruggles, Varese. (Santa Fe, 1974). Mackay, Andy. Electronic Music. (Oxford: Phaidon, 1981)124pp. Peyser, J. Twentieth Century Music: the sense behind the sound. (New York, 1980). Whittall, Arnold. Music since the First World War. (London: Dent, 1977) 277 pp. 3/92