Johann Sebastian Bach 
Notebooks for Anna Magdalena
Well tempered clavier - 1, BWV 846-869 (german)
Ludwig van Beethoven
Complete piano sonatas (german)
Hermann Berens
20 Children studies, opus 79 (english)
Ferdinand Beyer
Piano school, opus 101 (german/english/french)
Johannes Brahms
51 Exercises
Friedrich Burgmüller
25 Easy and progressive studies, opus 100 (german)
18 Characteristic studies, opus 109 (english)
Frederyk Chopin
Etudes, opus 10, Cortot (english)
Etudes, opus 25, Cortot (french)
Etudes, opus 10 (french)
Etudes, opus 25 (french)
Trois nouvelles (french)
Giuseppe Concone
25 Melodic studies, opus 24 (english)
Carl Czerny
30 new studies in technics, opus 849 (english/french)
40 daily exercises, opus 337 (english)
Opus 599 (german)
Practical finger exercises, opus 802 (english/german)
Preliminary school of finger dexterity, opus 636 (english/german)
Art of preluding, 120 examples (english)
Scholl of velocity, opus 299
Jean-Baptiste Duvernoy
25 elementary studies, opus 176 (english)
Cornelius Gurlitt
Easiest studies in velocity, opus 83 (english)
Charles-Louis Hanon
Virtuoso pianist - I. (english)
Virtuoso pianist - II. (english)
Virtuoso pianist - III. (english)
Stephen Heller
30 progressive studies, opus 46 (english)
Isidore Philipp
Complete school of technic for the piano (english)
Josef Pischna
60 progressive exercises (english)
Little Pischna - 48 practice pieces (english)
Aloys Schmitt
Preparatory exercises, opus 16 (english)
Jean Louis Gobbearts - Streabbog
12 very easy and melodious studies, opus 63 (english)