Book I. First position. 8 Easy Duets in the most frequently
used keys, by Wichtl, Dancla, Alard, and de Bériot. (11801 s).
Book IA. First position. 6 Easy Duets in the most frequently used keys, by Blumenthal, Kalliwoda, and Mazas. (11801 a).
used keys, by Wichtl, Dancla, Alard, and de Bériot. (11801 s).
Book IA. First position. 6 Easy Duets in the most frequently used keys, by Blumenthal, Kalliwoda, and Mazas. (11801 a).