Oriģināls: Prelude op. 23 Nr. 9 composed by Ralf Gabriel. Published by Ralf Gabriel. 23 Nr. 9. Piano Solo sheet music. Intermediate.
Tulkojums: 23 Nr. 9 sastāvā Ralf Gabriel. Publicēja Ralfs Gabriel. Piano Solo notis. Klavierēm. 20th Century. S0.4479.
