Original: Mastering the Piano, Book 1. A 7-Volume Series of Motivating Performance Repertoire. Op. 117, No. 5. Op. 82, No. 19.
Traducere: Stăpânirea Piano, Cartea 1. A Series 7-Volumul de motivare performanță Repertoriu. Op. 117, No. 8. Op. 82, No. 36.