Oriģināls: Sonatina in C Major, Op.9 Nr.1. S0.29345. Piano Solo sheet music. Sonatina in C Major, Op.9 Nr.1 composed by Claudio Porstmann.
Tulkojums: Sonatina C Major, Op.9 Nr.1. Piano Solo notis. Sonatina mažorā, Op.9 Nr.1 sastāvā Claudio Porstmann. Klavierēm, Piano Solo.