It appears in the Chopin National Edition as WN 18, Brown's catalogue as B. 44, in Kobylańska's catalogue as KK IVa/12, and in Chomiński's as P1/12.
It can be found in the Chopin National Edition under WN 18, in Brown's catalog as B. 44, in Kobylańska's catalogue as KK IVa/12, and in Chomiński's as P1/12.