GEMINIANI, Francesco. Guida armonica o dizionario armonico, being A Sure Guide to Harmony and Modulation. London: John Johnson for the author, [1741 ?]. -- A Supplement to the Guida Armonica...London, n.d. -- Pieces de clavecin...London, 1743. 3 works in one vol. Engraved frontispiece, title and many engraved plates of music (perforated stamp on preliminary leaf, light browning). Late 19th- century half-morocco and marbled boards.