Nos.25–48 BVW 870–893 Preludes & Fugues No. 25 C-major BWV 870 Preludes & Fugues No. 26 C-min BWV 871 Preludes & Fugues No. 27 C#-major BWV 872 Preludes & Fugues No. 28 C#-min BWV 873 Preludes & Fugues No. 29 D-major BWV 874 Preludes & Fugues No. 30 D-min BWV 875 Preludes & Fugues No. 31 Eb-major BWV 876 Preludes & Fugues No. 32 D#-min BWV 877 Preludes & Fugues No. 33 E-major BWV 878 Preludes & Fugues No. 34 E-min BWV 879 Preludes & Fugues No. 35 F-major BWV 880 Preludes & Fugues No. 36 F-min BWV 881 Preludes & Fugues No. 37 F#-major BWV 882 Preludes & Fugues No. 38 F#-min BWV 883 Preludes & Fugues No. 39 G-major BWV 884 Preludes & Fugues No. 40 G-min BWV 885 Preludes & Fugues No. 41 Ab-major BWV 886 Preludes & Fugues No. 42 G#-min BWV 887 Preludes & Fugues No. 43 A-major BWV 888 Preludes & Fugues No. 44 A-min BWV 889 Preludes & Fugues No. 45 B-major BWV 890 Preludes & Fugues No. 46 B-min BWV 891 Preludes & Fugues No. 47 H-major BWV 892 Preludes & Fugues No. 48 H-min BWV 893