Forkel refers to the Peasant Cantata, or Mer hahn en neue Oberkeet, performed on August 30, 1742. Forkel clearly was not familiar with Bach's other secular Cantatas. See B.G. XI. (ii.), XX. (ii.), XXIX. The Autograph score of the Peasant Cantata is in the Berlin Royal Library.
Forkel's suggestion was carried out, with varying thoroughness, in the Bachgesellschaft edition.
Forkel's judgment is at fault. See Schweitzer, i. 336.
Also in Wilhelm Friedemann's Clavierbüchlein. See Schweitzer, i. 279; Spitta, ii. 166.
“Since you cannot please everybody by your actions and work, strive at least to satisfy a few; popular appreciation encourages bad art.”—Schiller's Votiftafeln
The Cantatas are classified under Appendix II.
The references are to Peters' edition. Excepting bk. 1959, which contains pieces of doubtful authenticity, every number printed by Peters is entered in the Chronological Catalogue.
There are three other Sonatas, in A minor, C major, D minor, none of which is an original composition. They are printed in P. bk. 213. The first and second are adaptations of material in Reinken's Hortus Musicus. The third is a transcription of the second Solo Sonata for Violin.
The references are to Novello's twelve Books of Bach's Organ Works, edited by J. F. Bridge and J. Higgs. The edition is complete, and contains every movement included in Alfred Dorffel's “Thematisohos Verzeichniss” (second edition, 1882) except his No. 24 on p. 72; Nos. 6 and 8 on page 85; the “Kleines harmonisches Labyrinth” (Dörffel, p. 88, tigs. 131-33), the genuineness of which is questioned by Spitta (ii. 43); and figs. 136-37 on p. 88. The Novello edition also follows Rust, against Spitta's judgment, in printing the “Fantasia con Imitazione” (bk. 12 p. 71) as an Organ instead of as a Clavier piece. Books 15-19 print the Choral Preludes. See the Peters and Novello editions collated in Appendix V.
Printed as a “Toccata” in E major in B.G. XV. p. 276.