Original: Etudes Speciales, Opus 36, Bk. 1. Jacques Fereol Mazas. Viola sheet music. 1782-1849. Edited by Pagels. For viola solo.
Traduction: Jacques Féréol Mazas. Etudes Speciales, Opus 36, Bk. 1 composed by Jacques Fereol Mazas. Viola partitions. IM.1091.