Musikverlag Cranz Schule der Violatechnik 1: exercises for viola in various positions, by Henry Schradieck, edited by Paul Leddington Wright, ISBN 9783920201009, ISMN 9790204001286, CRZ 72, 23 x 31.5 cm, in German, English, French and Spanish language, 28 pages / Musikverlag Cranz