At the bottom of pages [2], [4], [61] and [63]a round, black stamp: "TOWARZYSTWO IM. F. CHOPINA | BIBLIOTEKA | WARSZAWA" and a handwritten shelfmark in blue link: "4240/n" on page [2]., At the bottom of pages [5], [19 and [61] is a round, black stamp: "NARODOWY INSTYTUT FRYDERYKA CHOPINA | BIBLIOTEKA" and a handwritten shelfmark in pencil: "4240/n" on page [5].
