Translation: Praeludium in D Minor, BuxWV 140. Praeludium in E Major, BuxWV 141. Praeludium in E Minor, BuxWV 142.
Translation: Prelude and Fugue in d BuxWV 140. Prelude and Fugue in E BuxWV 141. Prelude and Fugue in e BuxWV 143.
Translation: BuxWV 142. BuxWV 143. BuxWV 144. BuxWV 145.