Oriģināls: Tango Collection for Violin and Viola, Vol. 1. Lita. Viola sheet music. Violin sheet music. For violin and viola duet. This edition.
Tulkojums: Viola notis. Vijole notis. Tango Collection for Violin and Viola, Vol. 1 edited by Christoph Emmanuel Langheim. Vijolei un altam duets.