Ernesto Kohler (1849--1907) was a flautist and composer of over 100 works for the flute. He is well known among flute players for "Floten-Schule", his popular method for learning the flute, which he developed circa 1880. This collection of Romantic Etudes, Opus 66, is for unaccompanied solo flute, 27 pages.
By Johann Friedrich Franz Burgmuller and Johann Friedrich Franz Burgmuller. For Piano. Book; CD; Masterworks; Piano Method. Kalmus Edition. Form: Etude. Masterwork; Romantic. 40 pages. Published by Alfred Music