Boissier, August, and Goodchild, Neil J., (Boissier) A Diary of Franz Liszt as Teacher 1831-32, translated by Elyse Mach.
(Goodchild) Liszt's Technical Studies: A Methodology for the Attainment of Pianistic Virtuosity. Pianistic virtuosity via six principles illustrated by exercises; no useful information on how to practice.
Brandt, Anthony, How Music Makes Sense, http://cnx.org/contents/ [email protected]/How_Music_Makes_Sense .
Chapman, Brian, Ludwig Van Beethoven, Moonlight Sonata, and in Beethoven, Sonatas for the Piano. http://www.qedinteractive.com.au/html/jbc/bethvint.htm .
Csikszentmihalyi, Mihaly, Flow: The Psychology of Optimal Experience, 2008, Harper Perennial Classics.
Easy Bach, First Lessons in Bach - Book 1: Piano Solo: Walter Carroll,
Bach -- Selections from Anna Magdalena's Notebook (Alfred Masterwork Editions).
Exercises: Hanon, etc., Look these up on the internet: Cortot, Cramer-Bulow, Czerny, Dohnanyi, Hanon, Plaidy, or at: IMSLP (mostly free): http://imslp.org/wiki/Main_Page .
Fay, Amy, Music Study in Germany, see chapter XXIV, near end. Fine, Larry, The Piano Book, Brookside Press, 4th Ed., Nov. 2000. Fischer, J. C., Piano Tuning, Dover, N.Y., 1975.
Gilmore, Don A., about The Self-Tuning Piano .
Grand Piano Diagrams, The Piano Deconstructed .
Gutmann, Peter, in Classical Notes, Ludwig Van Beethoven Piano Sonata #23, Op.
Howell, W. D., Professional Piano Tuning, New Era Printing Co., Conn. 1966.