Commentaries on the Teaching of Pianoforte Technique - A Supplement to "The Act of Touch" and "First Principles"

The Visible and Invisible in Piano Technique - A Digest

The Child's First Steps in Pianoforte Playing

The Fore-Arm Rotation Principle in Piano Forte Playing - Its Application and Mastery

Four Daily Exercises (First Set of Occasional Technics) - For Advanced Students and Artists