||Bernhard Wolff (1835–1906)|
Hugo Riemann (1849–1919)
||Theodore Baker (1851–1934)
||Library of Musical Classics, Vol.792|
New York: Schirmer, 1904. Plate 16795.
||Original images: ca.300dpi, grayscale jp2 files approx. 2710 by 3600 pixels. Editing: re-sampled to 600dpi, converted to black and white tif files, de-skewed, and set uniform margins. Riemann authored the preparatory exercise for No.60 and the Scales in Thirds.