Matthay, Tobias 1858-1945 The visible and invisible in pianoforte technique: being a digest of the author's technical teaching up the date / Tobias Mathay - Oxford: Oxford University Press, 1972 - 176,58 p. ISBN: 0193184125 Subjects--Topical Terms: MUSICA PARA PIANO - ESTUDIO Y ENSEÑANZA Dewey Class. No.: 786.3 / M436 vis