^{page 49 note 1} Lendvai, Erno, Béla Bartók: An Analysis of his Music. London, 1971.Google Scholar

^{page 49 note 2} Ujfalussy, Jozsef, Béla Bartók, tr. by Pataki, Ruth, Budapest, 1971 Google Scholar. Originally published in Hungarian in 1965, this is the most up-to-date biography available in English.

^{page 49 note 3} Stevens, Halsey, The Life and Music of Béla Bartók, New York and Oxford, 1953, 2nd ed. 1964.Google Scholar

^{page 50 note 1} Serge Moreux gives a fuller account of this aspect of Bartók's work than either Stevens or Lesznai in his early biography Béla Bartók, tr. by Fraser, G. S. and de Mauny, Erik, London 1953, pp. 60–74.Google Scholar