Translation: Variations and Fugue on an Original Theme, Op.23.
Translation: Ignace Jan Paderewski. Novato Music Press. Piano Solo.
Translation: Variations and Fugue, Op. 23 composed by Ignace Jan Paderewski. Polish. Score. Published by LudwigMasters Publications.
Translation: The most famous and popular edition of Chopin's works prepared by I. J. Paderewski, L. Bronarski and J. Turczynski. 1810-1849.