On the back of the cover upside down publisher's advertisement., On title page green stamp of Biblioteka, Towarzystwo im. F. Chopina Warszawa and handwritten shelfmarks beside., On title page violet illegible stamp and blue underlines., On p. 1 blue stamp of Narodowy Instytut Fryderyka Chopina and handwritten shelfmark beside., On the back of the cover blue stamp of Narodowy Instytut Fryderyka Chopina and green stamp of Biblioteka, Towarzystwo im. F. Chopina Warszawa.
