13.
Colbert ^† :

Mozart: Klavier-Violin-Sonate B^d u. G^{d 1} ; einige Winke! Berceuse: 1. u. 3. Var.; Intermezzo über V^6/4.

[February] 13, [1913]
Colbert ^† :

Mozart: Violin Sonatas in Bę major and G major ¹ ; some tips! Berceuse : variations 1 and 3; Intermezzo concerning V^6/4.

13.
Colbert ^† :

Mozart: Klavier-Violin-Sonate B^d u. G^{d 1} ; einige Winke! Berceuse: 1. u. 3. Var.; Intermezzo über V^6/4.

[February] 13, [1913]
Colbert ^† :

Mozart: Violin Sonatas in Bę major and G major ¹ ; some tips! Berceuse : variations 1 and 3; Intermezzo concerning V^6/4.