Music periodical, TP of the magazine: PAGES | D' ART | AOUT 1918 | A Genève | chez "Sonor" S. A. | 48, rue du Stand, 48., A facsimile of the manuscript and the text were published in the art magazine "Pages d'Art" in Geneva, on the final pages [unnumbered] of this magazine., First page of the source: title with a facsimile of the manuscript. Next pages: source with heading: A mon ami Pierre WOLF | ● PRÉLUDE ● | (Juillet 1834) | » Frédéric CHOPIN.; error "WOLF".
