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.

=Rode, P.= Op. 1. 6 Duos. 2 Bks.

=Viotti.= Concert duets. 13 Bks.

Step IV. All Positions.

=Alard, D.= Progressive Duets, revised and fingered by E. Heim:—