Notis
Oriģināls
Popper, David. Nocturne No.4. Op.47. Popper, David. Cello, Piano. Piano Score. First edition. Cello part. First edition.
Tulkojums
Popper, David. Noktirne Nr.4. Op.47. Popper, David. Cello, Piano. Piano Score. Pirmais izdevums. Cello part. Pirmais izdevums.