Bach, J.S. (1685-1750) [Becker, Carl Ferdinand (ed.)] Choräle mit bezifferten Bass von Johann Sebastian Bach herausgegeben von C. F. Becker. Organist an der St. Petri Kirche zu Leipzig. [als Anhang zu dessen Choralgesängen] [BWV 439-507]Title[1]; 2 (blank); dedication [3]; 4 (blank); forward [5]; index [6]; 7 39 pp. [PN] 5096. Green printed wrappers, chipped around the edges, reinforced with paper tape alog the spine, edges a little rough, slightly browned, generally very good. Worldcat records 11 copies worldwide, with only 1 in the United States. The second edition of these 69 Chorales as a supplement to the full Breitkopf edition of 371, after the original 1736 revised printing,