KEYBOARD MUSIC. -- A collection of scores for keyboard instruments, including: Domenico SCARLATTI. Forty-two Suits of Lessons for the Harpsichord. London: Johnson, [circa 1754-1756]. - SCARLATTI. Six Sonatas for the Harpsichord. London: Johnson, [circa 1757]. Vols.I, II and III in one volume, oblong 2°, FIRST EDITION. - George Frederic HANDEL. Six Concertos for the Harpsichord or Organ. London: Walsh, [1739]. Oblong 2°. - Georg Christoph WAGENSEIL. A Lesson for the Harpsichord or Pianoforte... London: Thompson, [circa 1780]. Oblong 2°, FIRST EDITION. RISM W51. - Francis POULENC. Trois pièces pour piano. Paris: Heugel, plate no.30106, [1946]. 2°, FIRST EDITION, later issue (plates of 1931, issue of 1946), with signed autograph inscription; and 11 others (works by BURTON, CHABRIER, DIETZ, GRETCHANINOV, HEROLD, HOOK, HOWELLS, KOZELUCH, MOSZKOWSKI, SMITH and ARNE, mainly first and early editions, many with autograph inscriptions). Various bindings. (17)