Young composers / - Black, Leo,; Eimert, Herbert,; Stockhausen, Karlheinz,; Lewinski, Wolf-Eberhard von,; Unger, Udo,; Koenig, Gottfried Michael,; Stephan, Rudolf; Ligeti, György,; Metzger, Heinz-Klaus,; Santi, Piero,; Schubert, Reinhold,; Manzoni, Giacomo,; et al. (Theodore Presser Company ;, 1960)