James Huneker: Franz Liszt (New York, 1911).
H. E. Krebhiel: The Pianoforte and its Music (New York, 1911).
Ignace Moscheles: Recent Music and Musicians (New York, 1873).
F. Niecks: Frederick Chopin as Man and Musician (London, 1904).
Lina Ramann: Franz Liszt, Artist and Man, Eng. transl.
Edgar Stillman-Kelley: Chopin the Composer (New York, 1913).
In German
Moritz Karasowski: Friedrich Chopin, 3rd ed. (Dresden, 1881).
Franz Liszt: Friedrich Chopin (Paris, 1852).
August Reissmann: R. Schumann, 3rd ed. (Berlin, 1879).