악보

원본

Popper, David. High School of Cello Playing. 40 Cello Etudes. Op.73. Popper, David. Cello solo. Complete score. First edition. Book 1,. Nos.1-20. 10 Mittelschwere Grosse Etüden.

번역

포퍼, 데이비드. High School of Cello Playing. 40 Cello Etudes. Op.73. 포퍼, 데이비드. 첼로 솔로. 전체 점수. 초판. Book 1,. Nos.1-20. 10 Mittelschwere Grosse Etüden.