Chopin Ein Gedenkblatt, by August Spanuth, New York Staats-Zeitung, October 15, 1899.
The Pianoforte Sonata, by J. B. Shedlock, London, Methuen & Co.
A History of Pianoforte Playing and Pianoforte Literature, by C. F. Weitzmann, translated by Dr. Th. Baker. New York, G. Schirmer.
Der Letze Virtuoso, by C. F. Weitzmann. Leipzig, Kahnt.
Chopin—and Some Others, in London Musical News, October 14, 1899.
Chopin, in A History of the Pianoforte and Pianoforte Players, by Oscar Bie. New York, E. P. Dutton & Co.
Chopin, in Rubinstein's Die Meister des Klaviers. New York, Schuberth.
Chopin, in Berliner Tageblatt, by Dr. Leopold Schmidt.
Chopin Juzgada por Schumann, in Gaceta Musical, City of Mexico.
The Chopin Rubato and so-called Chopin Fingering, by John Kautz, in The Musical Record, Boston, 1898.