원본: Schradieck, Henry. Exercises for Promoting Dexterity in the Various Positions. School of Violin Technics. Schradieck, Henry. Book 1.
번역: Schradieck, 헨리. 바이올린 기술의 학교. Schradieck, 헨리. Violin solo. 1 권. 제 2 권. Exercises in Double Stops. 3 권. Exercises in Various Bowing.