There are works by various composers., on p. 54-57 there is a piece by F. Chopin Prelude in D-flat, TP: Blue stamp: A 007 C, p. [1] handwritten in pencil: [ok. 1915], p. [1] a round, green stamp: "TOWARZYSTWO IM. F. CHOPINA | BIBLIOTEKA | WARSZAWA" and a handwritten shelfmark in blue ink: "3504". The same on p. 72., page [2, 16, 72] round black stamp: "NARODOWY INSTYTUT FRYDERYKA CHOPINA | BIBLIOTEKA"
