Original: Six Pieces. Natha-Valse - Violin Sheet Music by Pyotr Tchaikovsky. No. 4. Pyotr Tchaikovsky. Muzyka - State Publishing House, Russia.
Traducere: Șase piese. Piotr Ceaikovski. Muzyka - Editura de Stat, Rusia. Moștenire. Vioară. Plan. Op. 51, No. 4.