The new gradus ad parnassum: academic edition of selected studies for the pianoforte, in eight books - Philipp, Isidor 1863-1958 (T. Presser, 1911)
In eight books: 8690 Left hand technic. 8691 Right hand technic. 8692 Hands together. 8693 Arpeggios. 8694 Double notes. 8695 Octaves and chords. 8696 The trill. 8697 Various difficulties