[Boismortier, Joseph Bodin de. (1689–1755)] Sonates en Trio - Musical ManuscriptSonates en trio uvre 4e et 12e avec la basse par Boismortier, [1733]. An attractive copyist manuscript bass part to Boismortier's 12 trio sonatas op. 4 and 6 sonatas op. 12. Front (recto and verso) and rear paper boards extensively decorated in ink and watercolor, with the cover depicting a couple seated under a tree, surrounded by ornate foliage, and the inner cover showing floral decorations and the arms of the Duchesse of Bouillon, with the motto