
Impromptu in A flat major Op. 29 is the next volume of the series, catalogued with the number A III/29. The Impromptu autograph Stichvorlage in A flat major op. 29 is held in the Fryderyk Chopin Museum in Warsaw under the shelf-mark M-198, D-22.
Source commentary: dr hab. Zofia Chechlińska
ISBN: 978-83-61142-19-5
Warszawa 2008
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