6 preludes, p. [1] TP; p. 2-(11) sheet music; p. [12] publisher's catalogue, [Stamp on the TP and p. 12:] Zbiór Stowarzyszenia | I. F. C., [Stamp on p. 2 and 12:] NARODOWY INSTYTUT FRYDERYKA CHOPINA | BIBLIOTEKA, [Handwritten shelfmark on the TP and p. 2.]
