Kayser, H. E. Violin Studies, carefully revised, fingered, and with instructive annotations by Ernst Heim:—

36 elementary and progressive Studies (introductory to those of Kreutzer). Op. 20. Book 3. (5610 c).

Molique, B. 3 Duets. Op. 3. 3 Books. (10008 a-c).

Mozart, W. A. Op. 70. 12 Duets. 4 Bks.

Pleyel, I. Op. 23. Duos. (1085 d).

— Op. 24. Duos. (1085 e).

— Op. 44. Duos. (5628).

Ries, H. Progressive Duets, (Ernst Heim).

Book III. Up to third position. (5629 c).

These melodious and graceful compositions are rendered more valuable by the careful revision of fingering, bowing and marks of expression. They contain a wealth of technical devices.