NOTE: A revised second edition of this music has been published which includes changes to some of the compositions. The following is a list of all known errors in 24 Präludien und Fugen, Band 2, in the first edition only (this is the version on IMSLP). If you have found an error not listed here, please report it.
Fuga in C-Dur — p.9, m.42 A cautionary flat on the B-flat is missing in the soprano.
Präludium in c-Moll — p.11, m.25 A cautionary flat on the tied D-flat is missing in the soprano.
Fuga in c-Moll — p.13, m.37 A natural in the soprano.
Präludium in des-Dur — p.15, m.26 G instead of G-Flat.
Präludium in cis-Moll — p.18, m.1 the meter should be 14/16.
m.16 the soprano notes should be written flags up.
Fuga in e-Moll — p.45, m.24-25 missing tie in the alto.
Fuga in f-Moll — p.54, m.9 the C in the soprano should be in the alto, and the soprano should rest on that note.
Präludium in g-Dur — p.64, m.7 E in the alto (instead of C).
Fuga in gis-Moll — p.80, m.1 the meter should be 5/16.
m.15 a cautionary natural on the soprano B is missing on the downbeat.
m.21 soprano G# should be Gx, and a cautionary sharp on G# and natural on B are missing in the following measure.
m.40 bass should have a dotted-8th B followed by B and A in 16th notes.
Fuga in a-Dur — p.85, m.21 sharp missing on the E-Sharp in the soprano.
Fuga in a-Moll — p.88, m.29-30 a tie is missing in the tenor.
Fuga in b-Dur — p.92, m.14 in the alto instead of a D on the downbeat there should be an eighth note rest.
Präludium in h-Moll — p.104, m.43 E natural in the bass should be an E-Sharp.
Fuga in h-Moll — p.107, m.76-77 an alternate ending for instruments with a lower bass range is as shown.