Thanks for answer!

Of course all help is welcome!

I will do a list with some of the books i have:
1-"The Visible and Invisible in Pianoforte Technique - being a digest of the author's technical teachings up to date".....T. Matthay
2-"The Science Of Pianoforte Technique".....T. Fielden
3-"The Physical Basis of Piano Touch and Tone "....T. Orttoman
4-"The Groundwork of the Leschetizky Method"....M. Bree
5-"Great Pianists on Piano Playing".....F. Cooke
6-"On Piano Teaching and Performance"...F. Waterman
7-"Mastering Piano Technique"....S. Fink
8-"Abby Whiteside on Piano Playing: Indispensables of Piano Playing - Mastering the Chopin Etudes and Other Essays".... A. Whiteside
9-"Piano Playing: With Piano Questions Answered"....J. Hoffman
10-"Artistic Piano Playing as Taught by Ludwig Deppe, Part 1 (1903) "....E. Caland
11-"Art of Practicing". M. Bruser
12-"Basic Principles in Pianoforte Playing "....J. Lhévinne
13-"The Art of Piano Playing"....H. Neuhaus
14-"Art of Piano Playing "...G. Kochevitsky
15-"Great Pianists and Pedagogues "....C. Grindea
16-"Famous Pianists and Their Technique"....R.R. Gerig
17-"Fundamentals of piano practice"...Chuan C. Chang
I know there are a good amount of books but, i trying to find the max. Information i can.
Sorry to torture you with my work but, I´ll appreciate all help.
Thanks one more time.
Cheers