Originál: Studies and Pieces for Two Violins, Vol. 4. Eric Keller. Violin sheet music. Violin Duets. For 2 Violins. Text Language. German.
Preklad: Vydal Edition Peters. Husle noty. Studies and Pieces for Two Violins, Vol. 4 composed by Harald Genzmer. Husľových duet. Pre 2 husle.