Printed on paper.
Music score, with some lyrics.
Volumes bound as Volumes I-V, but include cahier 3-4, 6 and 8-15 of the 17 part 'Ouevres complettes de Wolfgang Amadeus Mozart - Musique pour le pianoforte' as published by Breitkopf et Härtel from 1796-1806.
The bindings are very damaged - many of the boards are now separated from the spine.
The volumes include the following cahiers:
- Vol I: Cahier 3, 6
- Vol II: Cahier 4, 9
- Vol III: Cahier 8
- Vol IV: Cahier 10, 11, 15
- Vol V: Cahier 12, 13, 14