Kayser, Heinrich Ernst 1815-1888 36 studies, op. 20, for viola : (elementary and progressive) / [Música impresa] Kayser ; [transcribed for viola and edited by] Joseph Vieland. - New York : International Music Co., c1956. - 1 partitura (50 p.) ; 30 cm. Obra original per a violí. International Music Co 1872 LCCN: 4093 Subjects--Topical Terms: Viola---Estudis i exercicis.