At the bottom of front page and page [18] a round, black stamp: "TOWARZYSTWO IM. F. CHOPINA | BIBLIOTEKA | WARSZAWA" and a handwritten shelfmark in blue link: "4157/n" on front page., At the bottom of pages [1], [15] and back page there is a round, black stamp: "NARODOWY INSTYTUT FRYDERYKA CHOPINA | BIBLIOTEKA" and a handwritten shelfmark in pencil: "4157/n" on page [1].
