Ноти
Оригинал
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.
Превод
Popper, David. High School of Cello Playing. 40 Cello Etudes. Op.73. Popper, David. Cello соло. Complete резултат. Първо издание. Book 1,. Nos.1-20. 10 Mittelschwere Grosse Etüden.