"14. Leipzig, au Bureau de Musique de C.F.Peters, s.d. (ca. 1850), Plate number 2335-2336, 2 parts in-folio, bound in one vol. (contemporary canvas, gilt decoration and title on spine), lithographed title with portrait of Bach + 87 pp of engraved music ; idem + 99 pp engr.music. Edited by Czerny, pupil of Beethoven and teacher of Liszt. Bilinguel preface of 1 pp by Czerny (French-German). Nice copy."