Schroeder, 170 Foundation Studies For Cello, Volume 2 (Fischer)
These books are excellent resources for students who want to learn cello-playing. They are carefully selected and arranged from some of the best instructive works of renowned cellists such as Buchler, Cossmann, Dotzauer, Duport, Franchomme, Kummer, Grutzmacher, Lee, Merk, Piatti, Schroeder, and Servais. These studies cover a wide range of difficulty levels, from easy to advanced, and they are an essential part of any cellist's program of study.