Sevcik, Op. 1, parte 1. Ejercicios para la colocación del pulgar.

These exercises lead the student through the various thumb positions and, by constant use of the fourth finger, strengthen it and give it security in the higher positions. Indeed, the book deals with all the technical difficulties in connection with the placing of the thumb, providing exercises which will help cellists to overcome these difficulties. With English, French, German, Czech and Italian instructions.