原文: Schradieck, Henry. Exercises for Promoting Dexterity in the Various Positions. School of Violin Technics. Schradieck, Henry. Book 1.
译文: Schradieck,亨利. 小提琴工艺学院. Schradieck,亨利. Violin solo. 书1. 第2册. Exercises in Double Stops. 第三册. Exercises in Various Bowing.