ماخذ: " 6 ETUDES for URSULA " 3rd Book of ETUDES forasingleHAND No.1forchildren. No.3. leftor right h. "BaroqueShaggy Dog". No.2.
ترجمه: The general half-hour,the general LOVE & Platonic Plash. NO.2. fatigue. No.5 No.6. for Ursula Oppens SOLO Piano. عملیات. 52.