Noter
Original
Piano 2. 25 Etudes faciles et progressives, Op.100. For 2 Pianos. Messer. Selections. Arrangements and Transcriptions. Bertini, Henri.
Oversettelse
Stage 2. 25 enkle og Progressive Studies, Op.100. For 2 Pianos. Kniv. Selections. Arrangementer og Transkripsjoner. Bertini, Henri.