J.S. Bach Complete Organ Works Vol. 2: Thirteen Preludes and Fugues, Appendix: Variants, ed. by Heinz Lohmann.Table of contents: Prelude and Fugue in A major BWV 536 Ϋ Prelude and Fugue in A major BWV 536a Ϋ Prelude and Fugue in A minor BWV 543 Ϋ Prelude and Fugue in A minor BWV 551 Ϋ Prelude and Fugue in A minor BWV 569/947 Ϋ Prelude and Fugue in A minor BWV 894 Ϋ Prelude and Fugue in B minor BWV 544 Ϋ Prelude and Fugue in E minor BWV 533 Ϋ Prelude and Fugue in E minor BWV 533a Ϋ Prelude and Fugue in E minor BWV 548 Ϋ Prelude and Fugue in E minor BWV 900 Ϋ Prelude and Fugue in F minor BWV 534 Ϋ Prelude and Fugue in G major BWV 541 Ϋ Prelude and Fugue in G major BWV 550 Ϋ Prelude and Fugue in G minor (fragment with completion) BWV 535a Ϋ Prelude and Fugue in G minor BWV 535 Ϋ Prelude in A minor BWV 543a/1.