Schroeder, C. Handbook of Violin Playing, has a chapter on Viola Music. (9212).

Viola Studies.

Steps I—II.

Hofmann, R. Op. 86. The first Studies. (2732).

Kreuz, E. Progressive Studies for the Viola, with accompaniment of a second Viola. Op. 40:—

Book I. Commencing with exercises on the open strings, and gradually introducing the notes of C major in the first position. (7653a).

— Select Studies, taken from the works of Campagnoli, Mazas, Corelli. Kreutzer, Spohr, Fiorillo, Wenzel Pichl, Rode, and Gaviniés; in progressive order, phrased, fingered, and arranged:—

Book I. 30 Elementary Studies in the first position, with accompaniment of a second Viola, by Campagnoli and Mazas. (7657a).

— Scales and Appeggios for the Viola, through all major and minor keys; systematically arranged, bowed, and fingered:—

Book I. Through one and two octaves. (7658a).