Edelmann : 4 Sonatas in Quartet op.13 for Harpsichord and accompaniment of 2 Violins and Basso ad libitum. Dedicated to the Countess De Pinieux. Edited by the author, end of the 18th century. Most likely first edition. A charming dedication in French. Piano part only unfortunately, but the accompaniment is ad libitum si it is still playable as it is.