Book Hardcover. Composed 2016. Polskie Wydawnictwo Muzyczne #PWM61310182. Published by Polskie Wydawnictwo Muzyczne (BT.PWM61310182).
ISBN 9788393763726.
Volume in the series Facsimile edition of the works of Chopin: the manuscript of the Etude Op. 25 No. 4 held in the Bibliothèque de l’Opéra in Paris. The volume with source commentary of Prof. Irena Poniatowska.
