Sonata for 2 Pianos (Clementi, Muzio)
Free public domain sheet music from IMSLP / Petrucci Music Library
Leipzig: C.F. Peters, Ed.1982, n.d. Plate 6358a-b
From the uploader's library, origin obscure (second-hand purchase), unlisted on Clementi's works page.
|Work Title||Sonaten für 2 Pianos|