Musgrave", Notes, 2nd Ser., Vol.50, No. 2. (Dec., 1993), pp. 761–762. E. R. (1943) ."Review: Contrasts, for Violin, Clarinet and Piano by Béla Bartók", Music & Letters, Vol. 24, No. 1. (Jan., 1943), p. 61. Hitchens, Susan Hayes (1991). Karel Husa: A Bio-Bibliography. . Kárpáti, János (1981). "Alternative Structures in Bartók's 'Contrasts'", Studia Musicologica Academiae Scientiarum Hungaricae, T. 23, Fasc. 1/4, Centenrio Belae Bartók Sacrum#. Max, Stephen R. "Verdehr Trio 3." American Record Guide 57.n6 (Nov-Dec 1994): 218(1). Rorem (2002). Lies: A Diary: 1986-1999. . Seiber, Mátyás (1949). "Béla Bartók's Chamber Music", Tempo, New Ser., No. 13, Bartók Number. (Autumn, 1949), pp. 19–31. External links Rockwell, John " Concert: Verdehr Trio" Review, NYTimes.com. Published: February 18, 1988. The Verdehr Trio website. Chamber music Types of musical groups