or corrected original print, were realised before Breitkopf & Härtel republished them in the early 19th century. In 1847 C. F. Peters published the six Schübler Chorales, edited by Griepenkerl and , as part of larger sets of chorale preludes. Biographers Schauer (1850), Hilgenfeldt (1850) and Bitter (1865) included the chorales in their overviews of Bach's compositions. References Sources Manuscripts (chronological) US-Wc ML30.8b.B2 M4 (Bach's autograph score containing BWV 10/5, composed for performance on 2 July 1724 – description at Bach Digital website; facsimile at Library of Congress website; ) D-LEb Thomana 10 (original performance parts, partially autograph, containing BWV 10/5, copied from the autograph score for its first performance on 2 July 1724 – description and facsimile at Bach Digital website; ) D-LEb Thomana 93, Fascicle 1 (original performance parts, partially autograph, containing BWV 93/4, copied for its first performance on 9 July 1724 – description and facsimile at Bach Digital website; ) (Bach's autograph score containing BWV 6/3, composed for performance on 2 April 1725 – description and facsimile at Bach Digital website; facsimile at Berlin State Library website; ) (original performance parts, partially autograph, containing BWV 6/3, copied from the autograph score for its first performance on 2 April 1725 – description and facsimile at Bach Digital website; facsimile at Berlin State Library website; ) D-LEb Thomana 137 (original performance parts, partially autograph, containing BWV 137/2, copied for its first performance on 19 August 1725 – description and facsimile at Bach Digital website; ) D-LEb Thomana 140 (original performance parts, partially autograph, containing BWV 140/4, copied for its first performance on 25 November 1731 – description and facsimile at Bach Digital website; ) US-PRscheide BWV 645-650 (original print of the Schübler Chorales with Bach's handwritten corrections and additions from before August 1748 – description at Bach Digital website) (original print of the Schübler Chorales with handwritten corrections which Johann Christoph Oley copied from US-PRscheide BWV 645-650 before 1762 – description at Bach Digital website; facsimile at Austrian National Library website) Publications (D-LEb Peters PM 5694: facsimile and description of the original print at Bach Digital website; ) Breig, Werner (2010). "Introduction" (pp. 14, 17–18), pp. 101–113 (score) and "Commentary" (pp. 9–12) in Vol. 6: Clavierübung III, Schübler-Chorales, Canonische Veränderungen of Johann Sebastian Bach: Complete Organ Works. Breitkopf. Grace, Harvey (1922). The Organ Works of Bach. London: Novello & Co, pp. 252–260. Griepenkerl, Friedrich Konrad; (1847). "Ach bleib